Best guess would be early 70's. You might be able to get the date from the Bob Jackson people if you send them the serial number. As for ballpark value, I would think around $400-$500 with the mis-matched part set.
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1964 JRJ (Bob Jackson), 1973 Wes Mason, 1974 Raleigh Gran Sport, 1986 Schwinn High Sierra, 2000ish Colian (Colin Laing), 2011 Dick Chafe, 2013 Velo Orange Pass Hunter