25-75 USD or so
what model of revover and condition also age or serial number will help
The 7G prefix to your serial number indicates that you have a Browning auto-5 lightweight shotgun that was produced in the year 1967.
Seldom exceed 90 USD
1910
2006
1871
No way to know the caliber from just the serial number
Serial numbers do not designate calibers. Look on the brrel to ID the caliber.
Can't tell the caliber from just the serial number.
These were made by the Iver Johnson Company, about 1910-1935. Serial number records are spotty, company no longer in business.
Herbert Schmidt Company.
Early 1930s