Stamps with this color combination:
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Description: black & yellow & blue
Abbrev: blk&yel&bl
Used by 2 stamps: (See all uses as list) Germany postage 1/14/1993 100(pf) issue=workplace health & safety d=symbolic hands & figure unwmk Iran postage 5/2/1957 10r issue=Tehran-Meshed railway opening d=train & mosque wmk=arms of Iran |