Stamps with this color combination:
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Description: blue & blue
Abbrev: bl&bl
Used by 4 stamps: (See all uses as list) Danish West Indies postage 1908 25b d=King Frederik VIII (1908) Danish West Indies postage 1915 25b d=King Christian X (1915) perf=14x14.5 Syria postage 10/27/1984 45p issue=40th Anniversary of ICAO unwmk Tunisia airmail 10/28/1949 25fr issue=UPU 75th d=Airmail unwmk perf=13 |