For age, check the browning.com site; yours is a 1973 gun, and the G tells you if it's a standard or 'Light' model (i forgot which is the G and which is the M...). Good luck.
See the link below
500 USD
The value of a HJ Sterling Belgian-made double barrel will depend greatly on its condition. A gun like this can usually get between $75 and $250.
The value of a Savage shot barrel 12 gauge single trigger shotgun depends on its condition. This gun in excellent condition is valued between 450.00 and 550.00 as of 2014.
The safety has always been in the trigger guard of the A5. Early guns had a front-to-rear safety in the front of the trigger guard. Yours should have the later style crossbolt safety behind the trigger. Plain barrel Sweet Sixteens in excellent condition will bring $1000. They drop off fast as they get toward 80% condition. In 'VG' condition, $650.
front trigger fires right barrel. back trigger fires left. boone
From $50.00 to $500.00! Condition is everything.
what ever value to be had on your Colt 1917 has been lost due to cut down barrel and cut trigger guard. the 1917 could range, depending on condition, $400 to $800
Belgian made, most likely in the last 100 years.
The barrel will be marked "Made in Belgium"
$100 to $150. A little more if it is in excellent like-new condition. A lot less if it is broken or rusty.
It's a Belgian gun, the ELG is a Belgian proofmark.