1926 Pof.DL46A ST, Postage Due - overprint issue Agriculture and Science 60/400h brown, block of four with lower margin and line perforation 13¾, 2x ST II + I; mint never hinged, exp. by Karasek
1926 Pof.DL47B, Postage Due - overprint issue Agriculture and Science 100/600h violet with comb perforation 13¾ : 13½; mint never hinged, exp. by Mrnak and Vrba
1927 Pof.DL50B, Postage Due - overprint issue Chainbreaker 50/150h red, type II., line perforation 13¾; mint never hinged, small spot, exp. by Gilbert and Vrba
1919-1920 PROVISORY / comp. 9 pcs of entires with provisional postage-due stamp., overprints as To pay, Porto, "P" and "T", with various CDS ČÁSLAV, AŠ, KRÁL. VINOHRADY, VIMPERK, GROSDORF on stmp Hradčany or Express; good condition, philatelically motivated mailing
1921 German PC sent in period of inflation to Czechoslovakia, burdened by postage-due in/at general value 1,70CZK, Pof.DL9, L8, DL4 with CDS KARLOVY VARY 1/ 12.IX.21, refused and sent back; good condition
1922 Ornament / insufficiently franked letter sent from Mexico to Prague, franked with. 2 pcs of 5c stamp., on reverse arrival postmark PRAGUE 7/ 16.II.22, on face-side mounted Postage due stamp 250h orange, Pof.DL3 with CDS PRAGUE 1/ 17.II.22; good condition
1922-1923 Postage Due - overprint issue Hradcany / comp. 3 pcs of nevyplacených official entires with fee paid Postage due stamps 50/75h, 60/80h and 100/80h, Pof.DL19, DL23 and DL24 with CDS PRAGUE, OSTROMĚŘ and PLZEŇ; good condition
1924 Postage Due - overprint issue Hradcany / commercial insufficiently franked letter stamp. Eagle 10Pf, sent from Germany to Teplice, in the place burdened by surtax in value 250h, mounted stamp. pairs with upper margin 100/120h, pair 20/3h and corner piece 10/3h, Pof.DL25 2x, DL16 2x, DL15, cancelled by postmark TEPLICE - ŠANOV 5.XII.24; good condition, decorative
1933-1938 Definitive issue / comp. 8 pcs of entires + 4 pcs of cuts post. dispatch-note all with surtax, various values as 30h, 50h, 60h, 1CZK and 2CZK, off. letters, 1x insufficiently franked letter from Austria, delivering fee on/for postal parcel bills etc..; good condition
1935 Definitive issue / comp. 5 pcs of kyvadlových letters sent to Ministry shop, where insufficiently paid/franked mailing was/were returned to places posting for supplement franking in/at postage-due stamp. issue Definitive with usage values 30h and 60h, 2x mounted card with message; good condition