Stamps with this color combination:
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Description: blue black & ultramarine
Abbrev: blblk&ultra
Used by 3 stamps: (See all uses as list) France postage 1953 8fr issue=literary figures d=Celimene unwmk perf=13 Norway postage 11/10/1961 90o issue=Amundsen at South Pole 50th d=at the pole unwmk perf=13 Yugoslavia semipostal 9/3/1939 2+2din issue=International Automobile & Motorcycle Races 1939 unwmk |