Los-Nr. 1450

1921, Museum 1 Pia. ultramarine typo overprinted 1337 block of four, top stamps showing large 1337 typo variety, bottom stamps normal small type, all mint never hinged, tiny gum spot and crease at bottom left, otherwise very fine, fresh and scarce. For normal typo mint hinged stamps Isfila catalogue value 9.090,-€++

Provenienz: ex Plantinga (Gärtner, 2014)