| - |
8c |
multi |
Mailboat Caesar 1839 helicopter, w. unwmk, p. 14 | |
|
|
| - |
25c |
multi |
German messenger 1540 satellite, w. unwmk, p. 14 | |
|
|
| - |
35c |
multi |
Biplanes zeppelin jet, w. unwmk, p. 14 | |
|
|
| - |
$1 |
multi |
US Mail Train 19th cent Concorde, w. unwmk, p. 14 | |
|
|
| - |
$1 |
multi |
18th century bellman & tracking antenna, 1974, p. 13 | — |
— |
|
| - |
$2 |
multi |
German postman 18th cent mail train 1980s, p. 13 | — |
— |
|
