I tried to search old catalogues, etc. to pin down the vintage, and I'm guessing this is around 1986 or 1987. Note the lugs and the U-brake.
http://cgi.ebay.com/Old-School-Vintage- ... 35b0b3252c
http://cgi.ebay.com/Old-School-Vintage- ... 35b0b3252c
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.