Lot 41025 – 1943 Russian Philatelic Society INVERTED OVERPRINT on 1941 Thrift Movement souvenir sheet

1943 Russian Philatelic Society INVERTED OVERPRINT on 1941 Thrift Movement souvenir sheet, no gum as issued, small tear at right, a good example missing from most collections, a rare opportunity to acquire this elusive item, we were unable to find another unused exemple of this very rare variety, Scheller certificate (2026)