(Colorado) Denver, Colo. Rec'd, Jul. 12. Double circle postmark on 1876 cover from Illinois to Cheyenne, Wyoming Territory, forwarded to Greeley, Colorado Territory, then to Denver, with Denver receiving cds struck on face, Instructional markings include "Forwarded", "Unclaimed" and "Returned to Writer", the last canceled by pen, cover stained and soiled with opening cut at top, Fine (no photo). Estimate  $20 - 30. $0