Catalogued by Comprehensive Catalogue of Ukrainian Philately by John Bulat, issued in the USA in 2003
Kyiv
1918, violet trident overprint (type 1) on Romanov Dynasty issue, set of six stamps, all cancelled by Kyiv ds in 1919, fresh, VF, expertized by A. Popov, Dr. Seichter and others, C.v. $300
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