1993-2005, Important holding of ca190 artists' proofs, adopted and non-adopted, partly mounted on exhibition pages, showing a wide range of items from many commemorative issues in this period, also interesting variations of a same stamp showing differences between the adopted design and the non-adopted design, excellent basis for an exhibition collection (Image)

1919 Stanislav Issue overprints on Austria 1916 definitives (12 diff.values and 3rd Stanislav Issue : surcharges on Austrian fieldpost definitive (5 different), all mint hinged, many signed K.Koerner or Leo Stern (Mi ex 7/20, 83/90, €910) (Image)