« Reply #11 on: Friday 17 May 13 22:36 BST (UK) »
Looking at that badge. He certainly had some official post. The crown on it suggests so. Difficult to date, but someone else is probably more astute in these matters.
Shirley made a good suggestion about looking at the web site. The back of the photo is identical to one one there. It says that particular design became popular in the early 1870's,
Bedfordshire: Church, Brooks
Essex (Great Bardfield): Woolard
Hertfordshire: Day, Johnson
Kent: Church, Bristow, Day, Pharo, Oliver, Green
London: Brinsley, Gillbe, Dawson, Gash
Northampton: Pharo, Ilett
Suffolk: Day, Munnings
Yorkshire: Oliver, Hall, Richardson