Lot no. 10055

1918, unused collection with one used stamp of the "POSTA CESKOSLOVENSKA" overprint issues on Austrian and Hungarian stamps; small study of overprint types A-G with all subtypes, narrow and wide dot, etc., including two multiples, better values, etc., all signed Karasek, Richter, Gilbert, Mikulski, Mahr BPP, Hefer BPP, etc., fine