KSAK ROYAL SWEDEN AEROCLUB MAXIMUM CARD

Description

SPECIAL FIRST DAY OF ISSUE POSTMARK ** A Maximum Card is a picture postcard with a postage stamp affixed on the view side cancelled (postmarked) with maximum concordance between elements (depiction on stamp matching the depiction on postcard – or elements of it — with a postmark that is as closely related as possible to what is depicted on stamp and postcard)