The gun pictured is "Wards Target Gun", sometimes called Rylands patent gun. These guns were made in three grades and were priced at 11, 12, and 13 pounds stirling.This range of guns was in production circa 1916- 1930,s. The target or bulls eye, seen stamped on the action is Wards trade mark.
The burst seen in the pictures was caused by an obstruction in the barrel.A photograph of a similar burst, is to be seen on page 116 ,plateV1,of the Modern Shotgun, VOL,2 by Major, Sir Gerald Burrard.
This classic book, includes many photographs of barrel bursts resulting from a variety of causes.Also covered, is a suggested method for diagnosing th root cause of a barrel burst.
