the fact that the radio is hung under the dash rather than mounted in the correct location would indicate right away that it's not original .... ATR is a Japanese company, might have been obtained at a scrap yard from an old import

if it works use it, if it doesn't scrap it

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics