I guess we havnt seen any really in good condition and not needing restoration to evaluate that.

Hi Vanfan and welcome. From the plates it sounds like its a good chance of being a sandman. Check the chassis number matches the plates. If possible look peer down the hole at the end of the floor console where the blanking plate or maybe an ashtray has been inserted. Look for a seat seperator console mount welded to the floor and the steering colume doesnt have a gear shift mount in it. The other things to have look for are the normal GTS items of the dash and loom, guards and steering wheel, evidence of blackouts along the sills and rear beaver.

Sounds like a rare find, well done!!!

Mauser