https://www.longlongtrail.co.uk/army/order-of-battle-of-divisions/4th-division/Looks like he was part of the Heavy Trench Mortar Battery too https://www.longlongtrail.co.uk/the-british-trench-mortar-batteries-in-the-first-world-war/The V prefix is for Heavy
War diary for 4V/TMB & 4/DAC on the previous pages.http://www.rootschat.com/links/01ssj/
He did not receive the Star as he did not attest earlier
QuoteHe did not receive the Star as he did not attest earlierMore formally, he did not enter a theatre of war until after midnight on 31 December 1915. He could well have attested before this date, but if he had not entered a theatre of war by the end of 1915 he would have only been entitled to the British War and Victory Medals.