Sweden, Test Stamp, 1937 Test Booklet (PROVHAFTE), complete, unexploded, yellow printed cover with brown pane of 20 test stamps showing date of 1937, engraved by Sven Ewert, unlisted, Very Fine. Estimate $150-200.
Harmer-Schau Auction Galleries, Inc. 1333 North McDowell Blvd., Suite B • Petaluma, California 94954
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