Check the listing for details. Vintage 1987 Byron Prop Reduction System Print Ad Ephemera. Condition: Like New. Listed at 17.99 USD. VINTAGE 1987 BYRON PROP REDUCTION SYSTEM PRINT AD ADS ARE 8 1/2" X 11" ***ALL ADS ARE ORIGINAL, NOT A REPRODUCTION*ADS ARE IN EXCELLENT CONDITION FOR THEIR AGE, UNLESS OTHERWISE NOTED.ADS ARE SHIPPED IN A BOARDED POLYETHYLENE SLEEVE WITH EXTRA CARDBOARD BACKING FOR PROTECTIONAND AS ALWAYS...FREE SHIPPING WITH FREE RETURNS** FULL PAGE ADS ARE APPROX 14" X 10” 1/4"**2 PAGE ADS ARE APPROX 14" X 20 1/4" ** HALF PAGE ADS ARE APPROX 14" X 5 1/4"****1/4 PAGE ADS ARE APPROX 14" X 3" OR 5”x7” ** 1/8TH PG ADS ARE APPROX 7" X 3"** IF YOU HAVE ANY QUESTIONS ABOUT THESE ITEMS, DO NOT HESITATE TO CONTACT ME!! **I SHIP PROMPTLY, SECURELY AND INTERNATIONALLY!!** View more great items INTERESTED IN MULTIPLE ADS? SEND ME A LIST FOR A QUOTE OF UP TO 40% OFF!!