4 Vintage AMA Enameled Pins - American Motorcycle Association 1960s-1970s?

Description

This is a lot of 4 vintage AMA American Motorcycle Association enameled pins.
AMA 17-year pin with motorcycle wheel in the center. Marked "
ROC
" on back. Measures 0.75" diameter.
AMA 18-year pin with eagle on top. Marked "
ROC
" on back. Measures 5/8" wide.
AMA 4-year member pin with wings. No markings on back. Measures 0.75" wide.
AMA 2-year pin. No markings on back. Measures 5/8" tall.
All are in excellent condition. I don't know the exact date of these; I'm guessing 1960s or 1970s. They came with a group of other AMA pins that go back to the 1940s-1950s but these seem a little newer. See my eBay for more vintage motorcycle & AMA items.
Please ask if you have any questions. Check out my eBay listings for more neat and obscure antiques. I combine shipping, pack securely and ship promptly.
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