On-sale date from 1961 Periodicals, Copyright Office, Library of Congress. Reprints Pogo comic strips (dailies as well as Sundays), originally published 1957-1958 and 1960-1961.
This issue has variants:
Ol' Mouse (cameo); Howland Owl (cameo); Churchy La Femme; Albert Alligator; an Australian kangaroo (later to be called Basher); Basher's wife; an Australian wombat
An Australian kangaroo (later to be called Basher); Albert Alligator; Basher's wife; Ol' Bandicoot (cameo); Martha, the bandicoot's housekeeper (cameo)
Uncle Antler; an Australian kangaroo (later to be called Basher); Albert Alligator; Churchy La Femme; Basher's wife (cameo); Howland Owl; Bewitched; Bothered (or whichever two bats are present)