Stamps with this color combination:
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Description: slate & blue
Abbrev: sl&bl
Used by 2 stamps: (See all uses as list) Denmark postage 1875 4o issue=1875 d=numeral (1870 Denmark) wmk=crown a perf=14x13.5 Denmark postage 1896 4o issue=1895 d=numeral (1870 Denmark) wmk=crown a perf=13 |