1920 / 1922, mostly unused and cancelled collection postal stamps issue "smelting works and peace pigeon" (Mi.-no. 13-29) with colours, units, Michel-no. 13-21 HZ, Mi-no. 22-29 ZS (2) as well 17 covers and cards including registered covers (amongst other things 5 mixed frankings with stamps D. Richly), all on exhibition sites