by PhillB » Mon Aug 20, 2018 8:32 pm
I have 2 pairs of older seatframes with low backs, but by tombstone I assume you mean with a high back as per later Leyland models.

68 Morris Cooper S Mk1 (*ex 78 1275 LS 4th last built, 70 Morris 1500 OHC & 70 MiniMatic)