Here's a picture of the letter addressed to Miss Josie Welsh. 2414 Champa Street, Denver Colo.
The postmark says JASPER COLO, DEC 20, 1896. The date is faded and difficult to make out. On the back are clear postmarks of receipt in Denver on DEC 22, 1896.
Dec 12/20, 1896. Jasper, Colo
Dear Mother,