 |
|
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
|
February 3, 1948 |
Trial color master die proof in violet on large sunken card. Negative box, without value tablet. (cropped margins)* 
50c Master die proof on large sunken card (cropped margins).* *Used with permission from Cherrystone Philatelic Auctioneers |