239, Shooting White Horse Rapids, Yukon Territory
Art Litho Co., Publishers, San Francisco
postally used from White Horse, Yukon, August. 30, 1903 to
Tacoma, Washington, USA
with a 1¢ Queen Victoria Numeral stamp, no. 76
and a White Horse duplex cancellation
According to the Metropolitain Postcard Club of New York City, the Art Lithography Co. existed from 1890 to 1915 in San Francisco, California as a publisher of lithographic western view-cards, which were printed by the Edward H. Mitchell Company.
Below, the reverse of the card.