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Discussion Starter · #1 ·
I have a browning double auto in real good condition and am trying to find the date of manufacure and value. The only numbers in front of the trigger guard are 277 C and there are a lot of proof marks on the barrel one is a crown and also has the number 1kg63 and a ring with 12-70 in it any help would be appretiated
 

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It appears to ba a 1960 steel reciever model

the 1kg63 would be a pressure rating

the 12-70 is the ga. and chamber length

These values are proably a bit low..

Grading 100% 98% 95% 90% 80% 70% 60%
$650 $525 $450 $400 $350 $300 $260
w/vent. rib $750 $650 $575 $525 $475 $425 $350
 
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