There are 2 matches

Collection Authorizer Collection name Reference
116456M. Clapham Tikhie Gory (PIN collection 2065) (coll. Martynov 1926) Roadian - Permian 3 - Russian Federation Martynov (1928)
116803M. Clapham Tikhie Gory (PIN collection 2295) (= Silent Mountains / coll. Martynov 1928) Roadian - Permian 3 - Russian Federation Martynov (1930)

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