1900 Universal Exposition (Paris, France). Lot of two covers & one card all with United States Post Office Expo. markings, included is unfranked cover with Expo. Flag cancel (Bomar P00-07) used locally with Military address & Officer's endorsement, 2nd is card from Russia to Paris with same Flag cancel, last is cover with "United States Commission/To The Paris Exposition of 1900" corner card franked with French 25c Sage tied by Expo. Station machine cancel (Bomar P00-03), Very Fine. Estimate  $300 - 400. $0 (Image)