Stamps with this color combination:
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Description: yellow & dark blue
Abbrev: yel&dkbl
Used by 3 stamps: (See all uses as list) Liberia postage 1901 10c issue=1901b unwmk El Salvador official 1906 50c issue=1906 official b d=Pedro Jose Escalon unwmk Venezuela postage 10/28/1984 2.55b issue=18th Pan-American Union of Engineering Associations Convention unwmk perf=11.5 |