Explains it on the 69 and older but I also have a lot of 70-72B and 70-74E without coins. Have always wondered why some got it but most didn't. I've even had/have ones with the skid plate and no coin. This one is from a 71 GTX and doesn't have a coin.

K frame BE replacement 2.jpg
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, .
Moparmarks Parts & Restorations
Desert Mopar Metal
Grand Jct. CO
970-261-7039
http://moparmark.com/
motormangj@gmail.com