Stamp: Bison - American Buffalo
Edition type: commemorative stamp
Denomination: 22 (c)
Date of issue: 1987 Jun. 13
Depiction: Bison (Bison bison); 35th stamp in the sheet
Colour: multicolored
Paper: chalk-surfaced
Designer: Chuck Ripper
Perforation: comb. 11
Printing process: photogravure
Size of a stamp (mm): 26×40
Size of a sheet (mm): 265×215
Sheet composition: 50 (10×5) stamps
Printing run: 12 919 500
Stamp issuing authority: United States Postal Service
Printer: Bureau of Engraving and Printing
First day city was Toronto, Canada, International Philatelic Exhibition, CAPEX`87.