Interesting, and thanks for sharing! I've checked all my documentation and no where are there 19's and 22's that mean anything in particular. I recently emailed Mike Mancini, one of the best MOPAR restorers in the business, to see if he had any ideas. Hope to hear back, but I imagine he's quite busy.On my 73 RR these are the numbers/letters that are behind the rear seat. Y1 X9 Y1 was the car color "Lemon Twist" and X9 was the interior code for "Black". I left them in place and will sand back the new paint till they blend.
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Mine was stolen off my 69 Sport Satellite SW. Still looking for a correct one. I'll have a SS tether on the next one.I'd consider adding a tether to that gas cap.
Super high theft item.