Local Trident Overprints - Berezivka. 1918, black overprints on imperforated 1k, 3k and 5k, complete set of three, nice margins around, full OG, LH or hinged, VF and rare, each one expertized by Dr. Seichter and others, Bulat #2324-26, each one priced with ''-'', Est. $500-$600 (Image)