100-1500 uSD
the original colt gold cup 70 series is worth about 1,000 dollars roughly
Your colt gold cup was made between 1977-1983.
1975.
Colt data at Proofhouse.com
You will have to call Colt to find out.
Call Colt
your colt gold cup national match would be worth between 650 dollars at 70% condition to 1,000 dollars at 90% condition.
Beyond published sn data. You will have to call Colt.
You will have to call Colt to find out.
where was the colt gold cup national match serial #70n51714 made
Go to Proofhouse.com, there are Colt sn tables there.
100-1000 USD