Pof.57B double overprint, Rectangle 2h brown-red, line perforation 11½, block of four with production flaw - double overprint, ST II+III; mint never hinged lower pair stamp., tearing in UL corner, exp. Le, Gilbert, sought production defect as blk-of-4 with rarer perf!
Pof.57C, Rectangle 2h brown-red, line perforation 11½ : 12½, blue Opt III. type; mint never hinged, Vrba certificate, exp. by Gilbert., Karasek, very rare usage!
Pof.58A double overprint, Rectangle 5h green, line perforation 12½, block of four with production flaw - double overprint; 2 stamp. mint never hinged, exp. Le, Gilbert, sought defect in/at decorative čtyřbloku
Pof.58Ab, Rectangle 5h green, blue Opt I. type, line perforation 12½; in front small spot, lightly hinged, Vrba certificate, exp. by Leseticky., Mahr, sought stamp!
Pof.58Ba, Rectangle 5h green, green-black overprint III. type, line perforation 11½; mint never hinged, Vrba certificate, exp. by Mrnak., sought stamp!
Pof.57A blank coupon + 58A blank coupon, Rectangle 2h and 5h with blank coupons, both overprint type III., line perforation 12½; mint never hinged, exp. Vrba
Pof.58A blank coupon Ob, Rectangle 5h green, block of four with blank coupons, full overprint offset on gum, line perforation 12½; mint never hinged, exp. Vrba, decorative
Pof.57A K, Rectangle 2h brown-red, blue Opt, block of four with přetisštěným coupon, line perforation 12½, overprint types II+III and I+III; right upper stmp hinged., exp. Vrba
Pof.59, Mercure R 10h red with R margin (!), overprint type I.; superb mint never hinged piece, Vrba certificate, exp. by Leseticky., very rare and in this quality sought stamp!
UNISSUED / Mercure R 2h blue, overprint type II.; superb mint never hinged piece, Vrba certificate, exp. by Gilbert and Lešetický, sought stamp in perfect quality!
COUNTER SHEET / Pof.60, Mercure L 2h brown, complete 100 stamps sheet with margin, plate variety overprint on pos. 19 missing "A" in/at POST; mint never hinged, horiz. folded
COUNTER SHEET / Pof.60, Mercure L 2h brown, complete 100 stamps sheet with margin, plate variety overprint on pos. 19 missing "A" in/at POST; mint never hinged, horiz. folded
UNISSUED / Large numerals 100h red, overprint E, type I.; hinged, light bend in paper, Vrba certificate, exp. by Gilbert., Lešetický, rare occurrence, sought stamp!
Pof.95, 70f brown / black, wmk "z", overprint type III.; hinged, at top short tooth, Vrba certificate, exp. by Leseticky., Mrňák, Hirsch and Tribuna, cat. Merkur-Revue 60.000CZK, rare stamp!