Four affectionate buddies, with another guy peeking at them from behind a wall. Stamped by The Olsen Studio, 1010 Market St. Philadelphia, PA.
Vintage sepia Real Photo Postcard, 5 1/4" x 3 1/4," matt finish. AZO stamp box dates to 1918-1930.
Very good condition, with a bit of photo album paper on verso.