USSR. Registered letter sent from Vladivostok on June 4, 1925.

Cover of registered letter sent from Vladivostok to New York (USA) on June 4, 1925. It was received on July 8, 1925. Letter passed foreign exchange control, tax paid by the tax postage stamp РЕ 3 with a bronze surcharge (for attachments with value up to 100 francs).
Foreign exchange control stamps of this release were used for tax payment after the official termination of use.