1918 Postal Savings Stamps, 5k brown, yellow brown background, also 10k red, buff background, perforated and gummed, intact sheetlets of 25, with margins all around, large part of red "PROEKT" overprint at top, two stamps h.r., rest n.h., v.f., only known proof sheets, ex-Liphschutz collection (Cat No. AR2,3P) (Image)

Est.$20,000

1918 Postal Savings Stamps, 5k orange, 10k red, without background, imperforate and gummed, intact sheetlets of 25, with margins all around, mostly n.h., v.f., only known proof sheets, ex-Liphschutz collection (Cat No. AR2,3P) (Image)

Est.$15,000