UPDATE: **SOLD** Was on eBay.

According to the description, on the back of this comic book is a picture of Roy, Dale and Bullet in a Jeep.  No indication they are in Nellybelle or some other jeep.

“ROY ROGERS Western Comic Book, JUNE 1954, DELL Volume 1 No.78. 100% Complete With NO MAJOR DAMAGE, No Writing On Inside Pages. Comic Book Lays Flat, With No Water Or Mildew Damage. With Tight Spine. Very Nice Condition For Age. Some Covers May have Slight Minimal Nicks, Scratches, Minimal (slight) Spine Separation Etc., So See Scan For Details, As All Items Sold As Is, Due To Their Age. COMPLETE COVER SEPARATION WITH TIGHT SPINE AND ALL COLORFUL PAGES PRESENT, LAYING FLAT. The Rear Inside Cover Is An Ad For THE SCHWIN PHANTOM BICYCYLE, And The Rear Outside CoverShows Roy, Dale, And Bullet, In A Willys Jeep.”