Vintage 1950s RPPC B&W Long Postcard of Moscow - Kremlin. There are Stamps and it may have been Posted tho doesn't have the circulation stamp.  It measures about 7 5/8" by 3 3/4" - there is a crease on the left side - All postcards mailed in acid free sleeve and with cardboard.  See pictures for best assessment of condition.  Please ask questions.