Official Seal, Balance of the 1888 Typographs. Balance including stamps and 11 covers, better stamps include OX7b used imperf, OX10 used in Puerto Rico, OX10 imperf block of four, better usages include OX7 used on P.O.D. official business penalty envelope, OX7 six seals on small local Philadelphia cover badly damaged, OX7 on incoming covers from England, India and Ceylon, OX7 var. (gray brown), two singles on local New York City cover and OX10 on incoming damaged registered use from India; F.-V.F., a fascinating group. Scott No. OX5, OX7, OX10  Estimate $400 - 500. $0 (Image)