see browning.com for list of serial numbers ds You have a lightweight 12ga made in 1967 auto5man
50-600 usd
The absolute value of twelve is 12.
By the serial number, it looks like you have a 1959 Browning Auto-5 Light Weight Shotgun. Value depends on condition. Used below 80% original finish start at around $400 and go up toward $1000 plus for near mint condition.
75-575 usd
The number 312.12 is "three hundred twelve and twelve hundredths." The US currency value $312.12 is "three hundred twelve dollars and twelve cents."
The value of such light is approximately $10,000
197594V
50-500 USD or so
400 USD
100-300 USD
Frame
50-500 usd
50-500 usd
50-500 usd
50-450 usd
100-400 USD
0-450 usd