The serial number L52789 indicates that you have a Browning light weight model,auto-5 shotgun which was made in the year 1955.
YOu must provide the serial number.
Please identify the model. Looks like it could be an Auto5 made in 1948.
Which guage?
Browning.com has sn data under customer service.
Browning.com has a sn fucntion under customer service.
You must provide the sn or call Browning and give it to them.
1950 sn range 285001-315000 per Browning's web site.
Browning's web site has a sn search function.
You will have to call Browning.
You will need to call Browning with the sn.
You need to call Browning. The sn does not follow normal convention.
Browning's web site has a sn search function.