Mexico, Group, 1856-72. Several dozen mostly better issues on stockcards, many with certs; used including Scott #37a (printed on both sides), 40, 43 and a range of 1867 overprints, better mint including Scott #93 pair, 96, 96e, 102c x2, 104a, etc.; Scott cat $2,325+, condition varies, nice group, F.-V.F. Estimate  $400 - 600. $0 (Image)