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Overprints on this type: (See as list) 10/1/1923 ovpt=1923 oc=red 10/1/1923 15m ovpt=15Marka//1923 oc=red |
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Next: 10/1/1923 5m ovpt=1923 oc=red on=3/13/1920-5m Catalog numbers: Sc C1 External links: Colnect 129344..rplane-Airmail |
