Solid 1970's G-1. This one is missing the tag so it might go cheap:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=300260611991&ssPageName=STRK:MESE:IT&ih=020
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=300260611991&ssPageName=STRK:MESE:IT&ih=020