1921 5m dark violet blue, rare sideways watermark, imperforate single with large margins all around, n.h. but somewhat disturbed gum as often, signed Drahn, with 1999 Dr.Oechsner certificate (Mi.70YU) cat. €5000 (Cat No. C8a) (Image)

Cat. €5000, Est.$1,000

1923 50m green, 100m violet, imperf. vertical pairs, trial color proofs on gummed paper, one stamp n.h., others h.r., v.f. (Cat No. C18P,19P) (Image)

Est.$500