1919 Krakow, 3h violet, Form I-28, MLH, VF, signed Dr. Kronenberg with his Cert1192
1919 Krakow, 3h Violet Thin Z, Form I-4, VF, MH, signed by Sutcliff, Domar and Dr. Kronenberg with his Cert 172/09
1919 Krakow, 3h Violet Double Dot variety, Form I-73, Used, VF, signed by Z. Korszen with his Cert 459/09
1919 Krakow, 5h light green, Form I-99, Used on piece, VF, signed by Z. Korszen with his Cert 102/06.
1919 Krakow, 3h light green, Thin Z variety, Form I-35, MNH, VF with the exception of two very small discolorations in the gum, signed by Mikstein and Z. Korszen with his Certificate.
1919 Krakow provisional overprint, 5h light green, VF, very lightly hinged, signed by Z. Korszen with his Cert 98/06
1919 Krakow Provisional Overprint, Pair of 6h orange, normal Form I-13 and I-14Thin Z variety, tied to piece by 27 VI 19 Cieszyn Bi-lingual CDS, signed by Z. Korszen.
1919 Krakow Provisional Overprint, 6h orange, Form I-52, VF, Used bearing 4 II 19 Krakow CDS, signed by Dr. Kronenberg