Tyre mileage-a record?

Sir,
I would like to inquire through your columns as to the known “best. mileage” covered on one set of tyres, experienced by any of your readers. I have had a VW since 1961, and to date have motored 72,300 miles on the original Michelin covers. Is this a record ?

Teddington. E.E. Gooch.