Two envelopes as shown,6-1/4" x 3-1/2'.The Colt(both sides shown)has a date of "MAR 13 7AM 90"on the back.The addressee Josiah G. Munro is an Agent for the Oriental Powder Mills at the time.The second envelope addressed to Buffalo Arms has a postal cancellation dated of "NOV 8 1888" and on the back "Buffalo N.Y. NOV 9 430PM 88".Buffalo Arms was the same address "19 South Division St" as the Colt envelope and J.G. Munro was the Proprietor per the Buffalo N.Y. 1888 city directory. Used/As Shown