In general, yes. But, of course it's only worth what a buyer is willing to pay and I think I've been lucky to find another MG nut
They are becoming far rarer here, for example, the
most popular sites for buying/selling cars currently lists only 8 ZS for the entire country and almost all of those are priced higher than you'd expect to pay in UK.
On the other end of the scale, I've just heard of a black ZS 1.4, mechanically sound, but a total wreck cosmetically (rear bumper screwed on from the outside, broken door handles, missing and damaged spats, interior hacked up and bodged electrics going to 500€.