IMPORTANT: The envelopes, sets and post cards are very light, that is why it will be the same price of shipment for 1 or up to seven items!!!! In this subcategory we have Soviet rare and very rare first day covers. We have sets and single envelopes. All first day envelopes have original envelope with matching stamp and first day seal (see details). They are limited edition and stamped with the First Day seal in USSR at Moscow Central Post Office. Also we have picture of the back of envelopes with original Soviet factory prints. Sets are coming with enclosed original Soyuz Pechat receipt. The envelopes and sets are in excellent condition (see pictures).