1943 complete unexploded booklet of 16 different panes of six, each handstamped "SPECIMEN" in violet, with glassine interleaves and stapled at left, n.h., v.f., with 2015 Sturzeis certificate ("Austrian Posthorn stamps prepared and printed in the United States in 1943, overprinted Specimen, as recorded in literature. Printed in panes of 10, the right blocks of four were removed, the 1gr value was not included. As of today, this is the only known booklet."). A rarity of Austrian philately (Cat No. 4N2-17S) (Image)

Est.$7,500