Dont have a pic but this guns toughness can be appreciated by its numbers. Only English gun I have ever handled that had 1 1/2 oz proofs.

Walter Betts, Birmingham
12 bore BLNE Waterfowl/Pigeon gun
30" barrels with sideclips, rounded pistol grip, double trigger
1 oz proof, 3 chambers
Serial # 7xx Proofed 1934


R L
Bores .728 .727
Choke .009 .035
MWT .030 .033

LOP 15" to silvers pad
DAC 1 7/16"
DAH 2 7/16"
Cast off ⅛ @ Heel
Wt 8 1

Kills ducks at 75 yards with 1 1/4 oz Rio Bismuth. Avoid steel because of tight choke.

Apparently Betts was a Birmingham maker that built for the trade in the UK but exported his own products under his name to Australia. I have seen two others and they were tough, well finished guns!