Stamps with this color combination:
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Description: blue green & slate blue
Abbrev: blgrn&slbl
Used by 2 stamps: (See all uses as list) Saar postage 2/18/1921 20pf issue=1921a dt=scenery (1921) d=Reden mine entrance unwmk Saar postage 5/21/1921 3c issue=1921b dt=scenery (1921) d=Reden mine entrance ovpt=3 cent. oc=red on=issue=1921a-20pf unwmk |