By David M. Skipton and Steve Volis,
a Collector’s Club of Chicago Publication
Soviet Clandestine Mail Surveillance. This publication is an unusual hybrid of empirical philatelic research, argumentation and history presented chronologically. It examines the secret police’s political control offices – the PKs – that secretly watched the correspondence of Soviet citizens and foreigners alike in the USSR, and demonstrates that the PKs used censor marks masquerading as postmarks to convey information and instructions between themselves. Hundreds of these censor marks are recorded here, along with hundreds more that the authors argue were used to aid in the “classification campaigns” of the 1920s, the prelude to collectivization and the purges.
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