This was listed on eBay, but didn’t sell. The form number is DM59-9 and the calendar matches the year 1960 (including that year’s leap year). This can also be made into a mobile.

“THIS AUCTION IS FOR A COMPLETE, RARE, ORIGINAL , USED, (1955?) WILLYS JEEP SALES/DEALER CALENDAR.

THE CALENDAR CAN BE BUILT INTO A HANGING ORNAMENT OR AS A DAILY DESK CALENDAR. THE CALENDAR ALSO HAS COLORED DRAWINGS OF THE WILLYS CJ5, PICKUP, UTILITY WAGON AND FC-170.

GOOD COLOR AND GRAPHICS. VERY GOOD CONDITION OVERALL. SOME PERFORATION SEAMS ARE LOOSE IN PARTS, BUT CALENDAR IS COMPLETE AND IN ONE PIECE.

MADE FOR THE WHYCO COMPANY, PA.”