WIPA block without adhesive marks, 1933, fibre paper, mint, certified

WIPA block 1933 without adhesive marks – an icon of Austrian philately.
The famous WIPA block from 1933, issued on the occasion of the International Stamp Exhibition in Vienna, is one of the most sought-after classics of Austrian philately. This specimen has no adhesive marks on the upper margin and is a rarity that further underlines its historical and collector's value.
An exceptional piece that should not be missing from any high-quality collection.