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CD 190/191
Hemingray - 50
  • 1934 Mold Tall Variant
    This particular mold was made in 1934 and is the tallest I've seen to date. Note the different shape of the CD 190 bottom piece compared to the earlier 1910s and 1920s molds.
  • Later Mold
    Note the more rounded sides of this CD 191 top compared to the previous molds. This particular mold had been in use for 17 years! (1934 mold + 17 dots = 1951 production).
Insulator Facts

Dimensions:4 3⁄8" H × 3 5⁄8" 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.1910s-1950s
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.
50
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)
Common (3/10)
Usage: Telephone (Transposition)
Trade Name: Two Piece Transposition
Hobby Nickname: Two Piece Tramp
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.
$15-500
Please Note: This insulator style was also made by other manufacturers, not just Hemingray. This page will only detail the specific variant(s) manufactured, or suspected to be manufactured, by Hemingray.
Insulator Overview

Hemingray manufactured this popular two-piece transposition style insulator. Transposition styles were used for swapping the positions of two lines. This would reduce the interference that would otherwise be caused by two lines running parallel to each other for too long a distance. Hemingray also manufactured these for Am. Tel. & Tel. Co. (It is important to note that ones embossed "AT&TCo." were manufactured by Brookfield and not Hemingray.)
Known Embossings (16)
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.
AM. TEL. & TEL. CO. [010] {191 Top} (F-Skirt) AM.TEL.&TEL.CO. (R-Skirt) TWO PIECE / TRANSPOSITION {190 Bottom} (F-Skirt) AM.TEL.&TEL.CO. (R-Skirt) TWO PIECE / TRANSPOSITION SB - Photo
AM. TEL. & TEL. CO. [015] {191 Top} (F-Skirt) AM.TEL.&TEL.CO. (R-Skirt) TWO PIECE / TRANSPOSITION {190 Bottom} (F-Skirt) AM.TEL.&TEL.CO. (R-Skirt) TWO PIECE / TRANSPOSITION / ['TON' blotted out] {Blot out on base only}
Note: I have only ever seen the misspelling on the bottom half (CD 190). I question if the embossing error on the upper half (CD 191) actually exists.
SB - No Photo-
AM. TEL. & TEL. CO. [020] {191 Top} (F-Skirt) AM.TEL.&TEL.CO. (R-Skirt) TWO PIECE / TRANSPOSITON {Note spelling} {190 Bottom} (F-Skirt) AM.TEL.&TEL.CO. (R-Skirt) TWO PIECE / TRANSPOSITON {Note spelling}
Note: I question if the CD 191 top exists. I have only ever seen the misspelling on the CD 190 bottom.
SB - No PhotoWANTED
($500 Reward)
NEW! AM. TEL. & TEL. CO. [060] {191 Top} {Unverified} {190 Bottom} (F-Skirt) AM TEL & TEL CO {'A' is missing middle bar} {Note no periods} (R-Skirt) TWO PIECE / TRANSPOSITION
Note: The embossing that was added to the 2023 price guide omitted the TWO PIECE / TRANSPOSITION on the R-Skirt.
SB 2023 No Photo
HEMINGRAY [010] {191 Top} (F-Skirt) HEMINGAY - 50 {Note spelling} (R-Skirt) MADE IN U.S.A. {190 Bottom} (F-Skirt) HEMINGAY - 50 {Note spelling} (R-Skirt) MADE IN U.S.A.
Note: I question if the CD 190 bottom exists. I have only ever seen the misspelling on the CD 191 top.
SB - No PhotoWANTED
($500 Reward)
HEMINGRAY [020] {191 Top} (F-Skirt) HEMINGRAY (R-Skirt) № 50 {190 Bottom} (F-Skirt) HEMINGRAY (R-Skirt) № 50 SB - Photo
HEMINGRAY [030] {191 Top} (F-Skirt) HEMINGRAY - 50 (R-Skirt) MADE IN U.S.A. {190 Bottom} (F-Skirt) HEMINGRAY - 50 (R-Skirt) MADE IN U.S.A. SB - No Photo-
HEMINGRAY [040] {191 Top} (F-Skirt) HEMINGRAY - 50/[# and dots] (R-Skirt) MADE IN U.S.A./[#] {190 Bottom} (F-Skirt) HEMINGRAY - 50/[# and dots] (R-Skirt) MADE IN U.S.A./[#] CB - Photo
HEMINGRAY [050] {191 Top} (F-Skirt) HEMINGRAY - 50/[# and dots] (R-Skirt) MADE IN U.S.A./[#] {190 Bottom} (F-Skirt) HEMINGRAY - 50/[# and dots] (R-Skirt) MADE IN U.S.A./[#] SB - Photo
HEMINGRAY [060] {191 Top} (F-Skirt) HEMINGRAY - 50/[#] (R-Skirt) MADE IN U.S.A. {190 Bottom} (F-Skirt) HEMINGRAY - 50/[#] (R-Skirt) MADE IN U.S.A. SB - Photo
HEMINGRAY [070] {191 Top} (F-Skirt) HEMINGRAY - 50 (R-Skirt) MADE IN U.S.A./['№ 50' blotted out] {190 Bottom} (F-Skirt) HEMINGRAY - 50 (R-Skirt) MADE IN U.S.A./['№ 50' blotted out] SB - Photo
NEW! HEMINGRAY [080] {191 Top} {Unverified} {190 Bottom} (F-Skirt) HEMINGRAY 50 {No dash} (R-Skirt) MADE IN U.S.A. SB 2023 No Photo
TWO PIECE TRANSPOSITION [010] {191 Top} (F-Skirt) TWO PIECE/TRANSPOSITION (R-Skirt) ['AM.TEL.&TEL.CO.' blotted out] {190 Bottom} (F-Skirt) TWO PIECE/TRANSPOSITION (R-Skirt) ['AM.TEL.&TEL.CO.' blotted out] SB - Photo
TWO PIECE TRANSPOSITION [020] {191 Top} (F-Skirt) TWO PIECE/TRANSPOSITION {190 Bottom} (F-Skirt) TWO PIECE/TRANSPOSITION SB - Photo
TWO PIECE TRANSPOSITION [030] {191 Top} (F-Skirt) TWO PIECE/TRANSPOSITON {Note spelling} {190 Bottom} (F-Skirt) TWO PIECE/TRANSPOSITON {Note spelling}
Note: I question if the CD 191 top exists. I have only ever seen the misspelling on the CD 190 bottom.
SB - No PhotoWANTED
($500 Reward)
TWO PIECE TRANSPOSITION [040] {191 Top} {Unverified} {190 Bottom} (F-Skirt) TWO PIECE/TRANSPOSITION (R-Skirt) [Blotted out embossing] SB - No 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 (19)
ColorThe color of the insulator.
Aqua
Aqua Tint
Blue
Blue Aqua
Blue Tint
Clear
Gray Green
Green
Green Aqua
Green Tint
Hemingray Blue
Ice Aqua
Ice Blue
Ice Green
Jade Green Milk
Light Aqua
Milky Aqua
Milky Green Aqua
Sage Green