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CD 145
H.G.CO. / Hemingray №21
  • Double Petticoat Mold
    This Hemingray embossed version is embossed with "Double Petticoat" on the rear skirt. Note the wire groove is lower down and the insulator is slightly shorter than the other molds. This mold style only appears in [030] and [040] embossings.
  • Later Hemingray Mold
    This was the last style of Hemingray mold produced. Note the more narrow top that flares out to the bottom.
  • No Name Mold
    This style mold can be found on the No Name CD 145s produced by Hemingray: [010], [015], and [020].
  • H.G.CO. Narrow Skirt
    This is the uncommon Narrow Skirt mold. Instead of the 3 1/4" width of the standard H.G.CO. molds, the narrow skirt mold is only 3" wide.
Insulator Facts

Dimensions:4 1⁄4" H × 3 1⁄4" W
Primary Embossings:The Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer (such as "Hemingray") or the company that the insulator was made for (such as "AM.TEL.&TEL.CO.")

Insulators with No Name or No Embossing are denoted as such.
Years Produced: c.1880s-c.1930s
Style Identifier:Hemingray often used style numbers, letters, words, or a combination to differentiate their insulator styles (such as: T.S., E2, № 1 Provo Type, Muncie Type, etc.) These are often, but not always, embossed on the insulator.
21
Rarity Scale 0. No specimens known
1. Extremely Common (millions known)
2. Very Common
3. Common
4. Fairly Common
5. Uncommon
6. Very Uncommon
7. Rare (dozens known)
8. Very Rare (less than a dozen known)
9. Extremely Rare (2 or 3 known)
10. Unique (only one known)
Very Common (2/10)
Usage: Telegraph
Trade Name: Standard W.U. Double Petticoat
Hobby Nickname: Beehive
Value Range: This is an estimated value range only, based on historical hobby collecting data. Insulator values vary widely depending on many factors, including embossing, color, condition, mold variations, manufacturing anomalies, and other attributes. Please visit the Hemingray Values page for more information.
$1-20000
Insulator Overview

This popular style is nicknamed the "Beehive". As you can see, Hemingray made these in a variety of different shapes over the years, and the early H.G.CO. versions come in a variety of desirable colors.
Known Embossings (46)
Primary EmbossingThe Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer (such as "Hemingray") or the company that the insulator was made for (such as "AM.TEL.&TEL.CO.")

Insulators with No Name or No Embossing are denoted as such.
EINThe Embossing Index Number (EIN) is a unique number assigned by the collecting hobby to each distinct embossing for an insulator design. It is normally shown in brackets, e.g. [050].
EmbossingMost common terms:
(F-Skirt): Front Skirt
(R-Skirt): Rear Skirt
/: New line of embossing
{}: Special note (not embossed on the insulator)
[#]: Represents a number

Other terms:
{MLOB}: Mold Line Over Base
(F-Crown): Front Crown
(R-Crown): Rear Crown
(F-Umbrella): Front Umbrella
(R-Umbrella): Rear Umbrella
BaseThe base is the bottom of the insulator. Hemingray made 4 different types of bases:

1. SDP: Sharp Drip Points
2. RDP: Round Drip Points
3. CB: Corrugated Base
4. SB: Smooth Base
Year AddedThis is the year that this embossing was officially recognized and added to the McDougald (1991-2008) or Briel (2011-2023) insulator price guides. It is not necessarily the year this embossing was discovered.
Photo
Status = In my collection

If the value in this column says WANTED, then that specific insulator is on my wanted list! If you have that insulator and would like to sell it, click on the WANTED link to submit photos and contact me.
H.G.CO. [010] (Dome) H (F-Skirt) H G CO {Note no periods} SB - Photo
H.G.CO. [020] (Dome) H (F-Skirt) H.G.CO. SB - Photo
H.G.CO. [025] (Dome) H [Blotted out embossing] (F-Skirt) H.G.CO. SB - Photo
H.G.CO. [030] (Dome) H (F-Skirt) H.G.CO. (R-Skirt) ['H.G.CO.' blotted out] SB - Photo
H.G.CO. [035] (Dome) H (F-Skirt) H.G.CO. (R-Skirt) ['[Vertical bar]' blotted out] SB 2015 No Photo-
H.G.CO. [040] (Dome) H (F-Skirt) ['[Vertical bar]' blotted out]/H.G.CO. (R-Skirt) ['[Vertical bar]' blotted out] SB - Photo
H.G.CO. [042] (Dome) H (F-Skirt) ['[Vertical bar]' blotted out]/H.G.CO. SB 2019 No Photo-
H.G.CO. [045] (Dome) [Letter] (F-Skirt) H G CO {Note no periods} (R-Skirt) PETTICOAT/[Letter] SB - No Photo-
H.G.CO. [047] (Dome) [Letter] (F-Skirt) H G CO {No periods} (R-Skirt) PETTICOAI/[Letter] {Note spelling} SB 2019 No Photo-
H.G.CO. [048] (Dome) [Letter] (F-Skirt) H G CO {No periods} (R-Skirt) PLTTICOAI/[Letter] {Note spelling} SB 2019 No PhotoWANTED
($50 Reward)
H.G.CO. [050] (Dome) [Letter] (F-Skirt) H.G.CO. (R-Skirt) PETTICOAT SB - Photo
H.G.CO. [060] (Dome) [Letter] (F-Skirt) H.G.CO. (R-Skirt) PETTICOAT {Narrow skirt} SB - No Photo
H.G.CO. [070] (Dome) [Letter] (F-Skirt) H.G.CO. (R-Skirt) PETTICOAT/[Letter] SB - Photo
H.G.CO. [080] (Dome) [Letter] (F-Skirt) H.G.CO./[Letter] (R-Skirt) PETTICOAT SB - No Photo-
H.G.CO. [083] (F-Skirt) H G CO {Note no periods} SB - No Photo-
H.G.CO. [090] (F-Skirt) H.G.CO. SB - Photo
H.G.CO. [091] (F-Skirt) H.G.CO. [Vertical bar on inside of front skirt] SB - Photo
H.G.CO. [092] (F-Skirt) H G CO {Note no periods} (R-Skirt) PETTICOAT/[Letter] SB - No Photo-
H.G.CO. [097] (F-Skirt) H.G.CO. (R-Skirt) PETTICOAI/[Letter] {Note spelling} SB - No Photo-
H.G.CO. [100] (F-Skirt) H.G.CO. (R-Skirt) PETTICOAT SB - Photo
H.G.CO. [110] (F-Skirt) H.G.CO. (R-Skirt) PETTICOAT {Narrow skirt} SB - Photo
H.G.CO. [120] (F-Skirt) H.G.CO. (R-Skirt) PETTICOAT/[Letter] SB - Photo
H.G.CO. [130] (F-Skirt) H.G.CO./[Letter] (R-Skirt) PETTICOAT SB - Photo
H.G.CO. [135] (F-Skirt) [Letter]/H.G.CO. (R-Skirt) PETTICOAI {Note spelling} SB - No Photo-
H.G.CO. [140] (F-Skirt) [Letter]/H.G.CO. (R-Skirt) PETTICOAT SB - Photo
HEMINGRAY [005] (Dome) H (F-Skirt) HEMINGRAY (R-Skirt) ['H.G.CO.' blotted out] SB 2019 No Photo
HEMINGRAY [010] (F-Skirt) HEMINGRAY SB - Photo
HEMINGRAY [020] (F-Skirt) HEMINGRAY SDP - No Photo-
HEMINGRAY [030] (F-Skirt) HEMINGRAY (R-Skirt) DOUBLE/PETTICOAT SB - Photo
HEMINGRAY [040] (F-Skirt) HEMINGRAY (R-Skirt) DOUBLE/PETTICOAT SDP - Photo
HEMINGRAY [050] (F-Skirt) HEMINGRAY (R-Skirt) №21 SB - Photo
HEMINGRAY [060] (F-Skirt) HEMINGRAY (R-Skirt) №21 SDP - Photo
HEMINGRAY [065] (F-Skirt) HEMINGRAY (R-Skirt) №21/[Blot out under '1'] SDP - Photo
HEMINGRAY [070] (F-Skirt) HEMINGRAY-21 (R-Skirt) MADE IN U.S.A. RDP - Photo
HEMINGRAY [080] (F-Skirt) HEMINGRAY-21 (R-Skirt) MADE IN U.S.A. SDP - Photo
HEMINGRAY [082] (F-Skirt) HEMINGRAY-21 [Note 'Y' embossed over 'Y' laying on its side] (R-Skirt) MADE IN U.S.A. SDP - No PhotoWANTED
($20 Reward)
HEMINGRAY [085] (F-Skirt) HEMINGRAY-21 [Note 'Y' is laying on its side] (R-Skirt) MADE IN U.S.A. SDP - No PhotoWANTED
($50 Reward)
HEMINGRAY [086] (F-Skirt) HEMINGRAY-21 {'NGRA'/'GRAY'} (R-Skirt) MADE IN U.S.A.
Note: The embossing was originally "HEMIGRAY", but they corrected it.
RDP 2019 No Photo
HEMINGRAY [087] (F-Skirt) HEMINGRAY-21 {'NGR'/'GRA'} (R-Skirt) MADE IN U.S.A. RDP - Photo
HEMINGRAY [088] (F-Skirt) HEMINGRAY-21 (R-Skirt) MADE IN U.S.A. {'A'/'S' in 'U.S.A.'} SDP 2019 No Photo
HEMINGRAY [090] (F-Skirt) HEMINGRAY-21/[# and dots] (R-Skirt) MADE IN U.S.A./[#] RDP - Photo
HEMINGRAY [100] (F-Skirt) HEMINGRAY/MADE IN U.S.A. (R-Skirt) №21 SDP - Photo
HEMINGRAY [110] (F-Skirt) HEMINGRAY/MADE IN U.S.A. (R-Skirt) № 21 {Blot out near or under '№ 21'} SDP 2015 No Photo-
NO NAME [010] (Dome) H (F-Skirt) [Vertical bar] (R-Skirt) [Vertical bar] {Hemingray product} SB - Photo
NO NAME [015] (Dome) H (F-Skirt) [Vertical bar]/['[Vertical bar]' blotted out] (R-Skirt) [Vertical bar] {Hemingray product} SB - Photo
NO NAME [020] (Dome) H {Hemingray product} SB - Photo
Removed Embossing

The following embossing(s) were removed from the price guide because they could not be verified to exist, were consolidated with other embossings, or were otherwise ambiguous/inaccurate. They are preserved here for historical purposes.


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Primary EmbossingThe Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer (such as "Hemingray") or the company that the insulator was made for (such as "AM.TEL.&TEL.CO.")

Insulators with No Name or No Embossing are denoted as such.
EINThe Embossing Index Number (EIN) is a unique number assigned by the collecting hobby to each distinct embossing for an insulator design. It is normally shown in brackets, e.g. [050].
EmbossingMost common terms:
(F-Skirt): Front Skirt
(R-Skirt): Rear Skirt
/: New line of embossing
{}: Special note (not embossed on the insulator)
[#]: Represents a number

Other terms:
{MLOB}: Mold Line Over Base
(F-Crown): Front Crown
(R-Crown): Rear Crown
(F-Umbrella): Front Umbrella
(R-Umbrella): Rear Umbrella
BaseThe base is the bottom of the insulator. Hemingray made 4 different types of bases:

1. SDP: Sharp Drip Points
2. RDP: Round Drip Points
3. CB: Corrugated Base
4. SB: Smooth Base
Year Removed
n/a
Known Colors (80)
ColorThe color of the insulator.
7-up Green
Apple Green
Aqua
Aqua Tint
Aqua w/ Purple Swirls
Blue
Blue Aqua
Blue Tint
Christmas Tree Green
Clear
Cornflower Blue
Dark Aqua
Dark Blue Aqua
Dark Lavender
Dark Olive Amber
Dark Orange Amber
Dark Purple
Dark Sapphire Blue
Dark Yellow Green
Depression Glass Green
Emerald Green
Forest Green
Golden Amber
Gray Blue
Green
Green Aqua
Green Tint
Hemingray Blue
Honey Amber
Ice Aqua
Ice Blue
Ice Green
Ice Yellow Green
Jade Aqua Milk
Jade Blue Milk
Jade Green Milk
Lavender
Light Apple Green
Light Aqua
Light Blue
Light Blue Aqua
Light Cornflower Blue
Light Green
Light Green Aqua
Light Jade Green Milk
Light Lavender
Light Lime Green
Light Olive Green
Light Purple
Light Sapphire Blue
Light Sky Blue
Light Smoky Purple
Light Steel Blue
Light Yellow Green
Lime Green
Milky Aqua
Off Clear
Olive Amber
Olive Green
Orange Amber
Pea Soup Green
Pink
Powder Blue
Purple
Purple Tint
Sage Green
Sapphire Blue
Sky Blue
Steel Blue
Straw
Teal Blue
Teal Green
Violet Blue
White Milk
Yellow
Yellow Amber
Yellow Green
Yellow Green Tint
Yellow Olive Amber
Yellow Olive Green