Stamps with this color combination:
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Description: yellow & black & light green
Abbrev: yel&blk<grn
Used by 3 stamps: (See all uses as list) Estonia airmail 3/13/1920 5m d=airplane (1920) unwmk Estonia airmail 10/1/1923 5m d=airplane (1920) ovpt=1923 oc=red on=3/13/1920-5m unwmk Estonia airmail 10/1/1923 15m d=airplane (1920) ovpt=15Marka//1923 oc=red on=3/13/1920-5m unwmk |