HELIGOLAND, 1875, 1pf Dark Rose & Dark Green, 2pf Yellow Green & Dark Rose (14-15; Michel 11-12).
Single of 1pf and two singles of 2pf, tied on uprated 10pf foreign post card
by "Heligoland SP 12 1880" double-arc datestamp to Bremen, Germany, arrival datestamp on front, Very Fine, an interesting "souvenir" card which traveled through the mail despite the invalidation of Heligoland stamps on Aug. 10, 1880, with 2002 Schulz certificate
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