AUSTRIA 1919 Definitive 50h Indigo onBlue. I thought this was SG 418 with a missing overprint and I was really on to something.
NZ $1.20
AUSTRIA, AUSTRIA
Description
AUSTRIA 1919 Definitive 50h Indigo onBlue. I thought this was SG 418 with a missing overprint and I was really on to something. But reference to an expert and to his Austrian catalogue showa that the listing in SG is wrong and the 50h is actually Indigo.