Hi again , Jay . . .

Found the Portland Card Company info on these Square in Circle mold chips .
Bud Meyer gave me the info several years ago . You can verify with him .

A C I on front side . . . . . AL INEZ on the reverse side

Al & Inez Cohen ( A C I = Al Cohen Inez )
3601 Moraga Street ( a home address )
San Francisco , CA

Date - May 12 , 1967

Hope this info helps . . . . . Regards , John