AMF Roadmaster Moped RME02 Top mounting bolt and nut for the rear mounting bracket. (AMF external engine part 2.)

This is a used moped part from a 1978 AMF Roadmaster moped McCulloch 49cc engine. Bolt has special marking on it and it might be a hardened (i.e., extra-strong) bolt. Might have a very little rust. Sold "as is".