Pof.50I, Coat of arms 4 Koruna light green, high size, block of 6, overprint types lower II+I+II, at top all type II.; mint never hinged, exp. by Gilbert., Kraus and Vrba, in blocks rare!
Pof.50II ST, Coat of arms 4 Koruna light green, landscape format, horizontal strip of 3 (!), overprint types II+I+II; mint never hinged, production folds in paper, exp. Vrba, in/at strips rare usage
Pof.50I Pp, Coat of arms 4 Koruna light green, high size, inverted overprint II. type, nice centered; mint never hinged, exp. Vrba, in this quality sought stamp
Pof.51ax, Coat of arms 10K dark violet, clear print, overprint type I.; label, L short teeth, small bend in corner, Vrba certificate, exp. by Gilbert and Vrba
Pof.51ay, Coat of arms 10K dark violet, unclear print, overprint type I.; lightly hinged, Vrba certificate, exp. by Gilbert., Bloch and Vrba, very fine example
Pof.53II, Air FLUGPOST 2.50K/3K yellow / black, overprint type I.; lightly hinged, production warping paper, exp. by Leseticky., Kosack and Vrba, mark Stach
Pof.54II, Air FLUGPOST 4 Koruna grey / black, overprint type I.; mint never hinged, minor gum fault, lower slightly propitá expert mark Lešetický, Vrba certificate, exp. by Leseticky and Vrba, sought stamp!
Pof.56, Triangle 5h green, overprint type III., well centered; hinged, Vrba certificate, exp. Mrňák and H. J. Bloch, overall very nice piece of this sought and rare stamps!
Pof.57Aa, Rectangle 2h brown-red, black Opt, type II., line perforation 12½; mint never hinged, minor gum fault (print fingers), R vertical bend, exp. Vrba
Pof.57A K Ob, Rectangle 2h brown-red, line perforation 12½, with overprinted coupon, types II + I, in addition full offsets overprints on gum; mint never hinged, exp. by Gilbert., Vrba
Pof.57A blank coupon, 58A blank coupon, Rectangle 2h violet (label, partially povolená perf) + 5h green (mint never hinged), stamp. with unoverprinted coupon, line perforation 12½, overprint types III and II; exp. Vrba
Pof.57A blank coupon, Rectangle 2h brown with line perforation 12½, 22-blok with 2 blank coupons; 1x coupon with label, on R side with ohybem, exp. Vrba
Pof.57A blank coupon, Rectangle 2h brown with line perforation 12½, horizontal pair with 2 blank coupons, overprint types I+III; mint never hinged, exp. Vrba
Pof.57A KN+58A blank coupon, Rectangle 2h brown-red + 5h green, 2x block of four with unoverprinted coupon, line perforation 12½, all overprint III. type; mint never hinged, exp. Vrba
Pof.57A KN+K, Rectangle 2h with unoverprinted coupon, type III + with overprinted coupon, overprint types II+III, both line perforation 12½; mint never hinged, exp. Vrba
Pof.58A blank coupon, Rectangle 5h green, pair with two unprinted coupons, perf line perforation 12½, stamp. I. + III. type; mint never hinged, exp. Vrba
Pof.58A blank coupon, Rectangle 5h green, block of four with unoverprinted coupon, line perforation 12½, all overprint III. type; minor gum fault on 1 stmp., otherwise mint never hinged, exp. by Gilbert and Vrba
Pof.58B blank coupon, Rectangle 5h green, line perforation 11½, black Opt, block of four lower with 2 blank coupons, overprint types by/on/at coupons I.+III.; mint never hinged, sporadically several minor gum fault, exp. Vrba
Pof.59, Mercure R 10h red, overprint type II.; lower close margins, otherwise nice piece with only small hint after/around improved/repaired label, Vrba certificate, expertized Lešetický, Mahr and Vrba, rare stamp in good quality
Pof.60 Pop, Mercure L 2h brown with overprint conversely reverse (!), with private perf, used on cut-square newspaper wrappers with incomplete address label, cancelled provisory cancel. POST OFFICE; stamp. lower torn before mounting, authenticity overprint konzultována with expert Vrbou, rare
Pof.61 plate mark, Mercure L 4h green, L the bottom corner piece with plate mark VI on/for marginal ledge, overprint type I.; mint never hinged, small minor gum fault lower, exp. Vrba
