7809 PL in the Printer's date stamp / code suggests a Release Date around September 1978 and indicates the Printing Plate used was made by Planet Litho. Matrix / Runout: Q2EA.6239 (Label - Side A) Matrix / Runout: Q2EA.6240 (Label - Side B) Matrix / Runout: 1 Q2EA 6239-3 9 (Runout side A) Matrix / Runout: 1 Q2EA 6240-2 9 (Runout side B) Other: 7809 PL (Printer's date stamp / code)