Former sheriff’s office ambulance. Bare bones basic.
https://www.facebook.com/marketplace/item/304175250293163/
https://www.facebook.com/marketplace/item/304175250293163/
That's a sharp looking car, would be very tempted it it was in my country.
The era-correct cot bar is a good clue. Bare bones rig.........and how do we know it's an ambulance again?? Is it those 2 nubbins-for-lights above the windshield?? ...