This is letterhead from:
"The Windsor Hotel,
Hayes and Barrett, Prop'rs.
First-class in every particular.
Headquarters for Commercial Men.
Dated Nov 11, 1901. The letter states that enclosed is a "ticket and draft [check] for $44.00" and asks that a "stud" be sent via Great Northern Express to the writer, O. A. Riedel, at Butte, c/o W.R. Riedel, 36 N. Main. [Perhaps the writer owed some money on his ticket.]
1901 letter enclosing a ticket and a check [Enlarge_+]