1926, ''Electrobanque'' (Electrification Bank - text in French), multicolored label with definitive stamp of 14k light blue affixed over used on registered cover from Leningrad to France together with Academy of Sciences 15k dark green, tied by Leningrad ''4.3.26'' ds, arrival marking of March 11, mostly VF and very nice item, Spec. Cat. #39, Est.$250-$300 (Image)