7910 PL in the Printer's date stamp / code suggests a Release Date around February 1976 and indicates the Printing Plate used was made by Planet Litho. Matrix / Runout: YAX 116-16 (Side A) Matrix / Runout: YAX 117-7 (Side B) Matrix / Runout: YAX 3375-4 (Side C) Matrix / Runout: YAX 3376-2 (Side D) Rights Society: Britico Other: SXLP 30491 (Individual # Record 1) Other: SXLP 30492 (Individual # Record 2) Other: 7910 PL (Printer's date stamp / code)