Stamps, Ottmar Mergenthaler design
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United States
postage1996, Feb 22 communication pioneers unwmk p. 11.1x11
| X | 32c | multi | Ottmar Mergenthaler |
Berlin
1954, May 11 Ottmar Mergenthaler 100th issue (no wmk info) (no perf info)
| X | 10pf | Ottmar Mergenthaler |
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