NPP PEPSI 1975 COMIC ART AQUAMAN

I AM SELLING MY LATE HUSBAND'S COMIC COLLECTION.  I BELIEVED THIS TO BE A COMIC ART PROOF SHEET BUT I DID NOT HAVE ANY KNOWLEDGE OF WHAT IT WAS FOR.  I HAVE SINCE LEARNED THAT THIS WAS A PROOF SHEET FOR THE NPP PEPSI HEROES GLASSES.  IT HAS BEEN BEAUTIFULLY LAMINATED FOR PRESERVATION. AT BOTTOM OF PAGE IT READS COPYRIGHT NATIONAL PERIODICAL PUBLICATIONS, INC. 1975. . SIZE IS 8 1/2 X 11 INCHES. IN PERFECT CONDITION. U.S. BUYER PAYS $1.70 POSTAGE AND HANDLING OR, IF YOU PREFER, $5.70 PRIORITY MAIL POSTAGE AND HANDLING WITH DELIVERY CONFIRMATION.  OUTSIDE BUYER PAYS ACTUAL POSTAGE AND HANDLING FEE.. PAYMENT TO BE MADE WITHIN TEN DAYS OF CLOSE OF AUCTION.  IF REQUESTED, I WILL COMBINE SIMILAR ITEMS ON AUCTIONS THAT WILL CLOSE WITHIN THE SAME WEEK.