NEW YORK CITY PARKS DEPARTMENT SIGNS DESIGNED BY SEYMOUR CHWAST. FROM PRINTXXII:II, MARCH/APRIL 1968.
A 1968 issue of Print dedicated to graphic design in the human environment featured a number of designs that were never produced, including these playful signs for Central Park by Seymour Chwast. I wouldn’t mind bumping into that squirrel P on my morning stroll.
Found on Container List.