UPDATE: You can view an article in which this photo appeared here. That link also suggests that the date listed for the photo below of Dec. 1958 is incorrect.
I just wish they showed more of the jeep! Is that a “Jeep” Dispatcher logo on the side? (see logo at the bottom). Looks like that jeep could be a DJ-3A. As for the Jeep Jamboree event, this one was help in Texas near South Padre Island. The same photograph below was featured in this article: http://www.ewillys.com/2012/08/25/1957-jeep-jamboree-from-texas/ (It seems I never scanned the article, I only posted the eBay pic, so I will get that done!)
“This is an original press photo. Jeep Jamboree relay race required the driver to bring back to his teammates a pennant that had been erected about 50 feet out in the surf. This fellow chose to keep his car dry and get himself wet by making the retrieval on foot.Photo measures 8 x 10.25inches. Photo is dated 12-09-1958.”
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This is a photo of a vinyl decal I had made up a few years ago. I had two sets made, one in white for Jim Sullivan’s 61 DJ3A Dispatcher and one in black for Glenn Byron’s yellow Miss Willy. The place that made them up is in business and they may still have the program in their computer. I had to pay for the program and the vinyl. The only thing wrong was the tiny “R” registration didn’t come off the paper backing well, so we didn’t use it.
I think you could print out this photo and take it to a local shop or hobby store and they could replicate it. I could check with the guy who did mine to see what it would cost if there is a demand for them. Probably cheaper to do a run off several than one at a time.