W. Grabowski Collection of Poland
October 20, 2004
| Images | Description | Current Bid |
 | Lot #304 1928 Marshal Pilsudski 1928 Josef Pilsudski, 50gr green, black, steel blue, blue green, four imperf. trial color proofs on wove paper, each without engraver's signature at bottom, v.f., rare P Catalog #253P | Unsold |
 | Lot #305 1928 Marshal Pilsudski 1928 50gr green, steel blue, blue green, three imperforate horizontal pairs, trial color proofs on gummed wove paper, each without engraver's signature at bottom, v.f., rare P Catalog #253P | Price Realized $750.00 |
 | Lot #306 1928 Marshal Pilsudski 1928 50gr steel blue, large die proof on thin paper, with engraver's "Zygmunt Kaminski" v.f., rare P Catalog #253P | Unsold |
 | Lot #307 1928 Marshal Pilsudski 1928 50gr ultramarine, greenish blue, dark brown, three perforated trial color proofs on wove paper, with engraver's "Zygmunt Kaminski" signature at bottom, v.f., rare P Catalog #253P | Price Realized $2,200.00 |
 | Lot #308 1928 Marshal Pilsudski 1928 50gr ultramarine, violet, two diff. die proofs on wove paper, with engraver's "Zygmunt Kaminski" signature at bottom, v.f., rare P Catalog #253P | Price Realized $1,900.00 |
