Most bikes are consumables rather than collectibles, so don't expect much regardless of what condition the bike is in. Your best bet is to look on ebay, Craigslist or similar and see what similar bikes are selling for.
The American Sportsman - 1965 was released on: USA: 31 January 1965
The American Sportsman - 1965 American Sportsman Special was released on: USA: 6 April 1979
The American Sportsman - 1965 Arctic Wolf was released on: USA: 5 January 1975
The American Sportsman - 1965 Race of Giants was released on: USA: 27 April 1979
The American Sportsman - 1965 Ganges River was released on: USA: 22 April 1979
The American Sportsman - 1965 Annapurna A Woman's Place was released on: USA: 13 April 1980
The American Sportsman - 1965 1969-03-09 was released on: USA: 9 March 1969
The American Sportsman - 1965 Africa End of the Game was released on: USA: 6 April 1979
The American Sportsman - 1965 Klamath River Fishing was released on: USA: 29 April 1979
The American Sportsman - 1965 Colorado River Rapids was released on: USA: 23 March 1979
The American Sportsman - 1965 Trout Fishing in New Zealand was released on: USA: 28 March 1976
The American Sportsman - 1965 Black Marlin Fishing in Australia was released on: USA: 30 January 1977