Cachet Maker William T (Duke) Gmahle
Cachets should be listed in chronological order based on earliest known usage. Use
the postmark date or best guess. This applies to add-on cachets as well.
| Thumbnail Link To Cachet Close-Up Image | Thumbnail Link To Full Cover Front Image | Thumbnail Link To Postmark or Back Image | Primary Date Postmark Type Killer Bar Text Ship --------- Category |
|---|
 |
 |
N/A |
Cover Sponsor - 1949-1957 |
|
Ships and Events |
Thermographed & Printed cachets. Gmahle used Walter G. Crosby printers cuts after Crosby's death in 1947.
|
N/A |
 |
N/A |
1950-02-12 |
|
Abraham Lincoln Birthday |
Red thermographed cachet
 |
 |
 |
1950-07-10 |
|
First Day Use of New T-2 Cancel |
Printed cachet
 |
 |
 |
1950-10-12 |
Green thermographed cachet
 |
 |
 |
1951-01-20 |
|
USMC / USS Lexington CV-16 |
Red thermographed cachet
 |
 |
No Image |
1952-01-28 |
|
Ship Commemorative |
Silver thermographed cachet
 |
 |
N/A |
1952-08-12 |
|
Ship Commemorative |
Red thermographed cachet
 |
 |
 |
1952-10-12 |
Green thermographed cachet
|
N/A |
 |
N/A |
1952-11-17 |
|
Collectors request |
Note:
 |
 |
 |
1953-07-04 |
|
Category |
Cachet is thermographed.
|
N/A |
 |
N/A |
1954-04-27 |
|
Collectors request |
Contributed by Tom Kean.
 |
 |
 |
1956-08-07 |
|
Ship Commemorative - USS Salem CA 139 |
Cachet is thermographed.
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