Germany, Prussia. Lot used 1851–1956 on stock cards. LK ZNIN (RB Bromberg, Posen). Two stamps # 2 and 4, cancelled with numeral cancellation 1716 – ZNIN (one of the stamps with hand written cancellation), # 3 with numeral cancellation 1253 - ROGOVO, # 4 with numeral cancellation 514 - GONZAWA. Fine quality. (4)