Rail Road and Traveling PO Markings. TRAIN STATION AND TRAVELING PO CANCELLATIONS – COLLECTION: 1870-1914, 73 postal history items and eight large pieces neatly arranged on pages with detailed inscription, representing 25 Train Station markings and various TPO (train or mail car) cancellations, among better: ''Warsaw – Sosnovitsy. No.25'', round ''Mariupol –Zverevo. No.79'', ''Vapnyarka – Tsvetkovo. No.129'', ''Gerby – Keltsy. No.294'', some postcards representing Train Station views and etc., occasional conveyance flaws possible, mainly F/VF