I wouldn't be hung up on mileage. They take wear well, are easily "adjusted" to display whatever figure someone wants them to (and FSH plus every MoT isn't insurance - someone could knock 10-20k off every year just before MoT time and you would never tell).
Just look for a nice one from an enthusiast that has been looked after, especially recently, and you'll be fine as well as saving yourself some money. I sold my cab with 192,500 on it and aside a cosmetic biff in the front wing (from a French camper van driving tw@t at Le Mans) it was spot-on and would have passed for 92,500 miles easily. It had had a new hood, suspension refresh, replacement cams, brake refurb etc. and had spent the previous 50k miles being used daily and getting 6k oil changes. It was therefore reliable and wanted for nothing mechanically - not something I'd trust a low miles garage queen to provide.