Hi Chris
I have found a "front image" of the DOWLER B'HAM A/A 17th/21stL. This was sold by Robbie at Dead Spartan on the 20/6/2011 (He bought it in a Marlows Auction).
I am guessing that DOWLER B'HAM sub-contracted for J R GAUNT B'HAM as the Motto is identicle to the "No Ear'ed" Motto made by Gaunt. I have an image of a Gaunt made "No Ear'ed" Officers H/M silver dated 1918 (also an OSD with Gaunt tablet)..... so the die has some vintage