Sam Wolfson (1-14) also made a notable contribution, picking up his maiden wicket for the club in an impressive spell.
In response, Danny Caro and Sam Clarfield looked in fine fettle - but after laying the foundations for Vale's chase, they fell in quick succession and Vale were on the back foot.
Steven Allweis took his time to steady the ship and top-scored for LMV with 29, but despite useful knows from Lederman (19), Rafi Saville (20) and Jonti Aremband (15), there was too much to do for the lower order, and Vale fell short of their required target.
It is back to league action next week for the team, with the visit of Brondesbury to Rowley Lane.