cover 1912 "Wilson" registered covers (2) and an official postcard, the former pair bearing 10pf. with adverts (R. 56) together with other values, the postcard bearing 5pf. with advert (R. 19) and a single 5pf. adjacent, all cancelled by special "XXIV DEUTSCHER PHILATELISTEN TAG/MARKTREDWITZ" c.d.s. (3.8); also two pieces cancelled by 1912 Bavarian Trade Show d.s., one bears 10pf. with advert (R. 7b). Photo