4-1/4" x 5-7/8"

Stamped, postmarked, and filled out in pen

CCCP postage stamps show the Pekin Hotel and a Miner

Postcard has a 1957 date in the text, but the postmark is difficult to read but appears to be 1960

It was sent to somebody in California in 1960 per the writing

Used, as-is.  Paper is soft.  Postcard was used and mailed.  Creases.  Tear (about 1/4") on left edge.  See attached pictures.