75-250 USD
50-550 USD or so
c.1979. Around $250-$350
Without a description the range is from 1-500 USD.
75-175 USD
100-500 USD
If they are numbers off the butt, they are the sn.
@1975
300-600 USD
Depends on who made it, etc., could be 50, could be 5000
No
100-400 USD or so