you probly have a 65, those are the most common.
those are deffinitly cloth wires.
and the shielding is period correct altho not all intact.
the 7 has to real meaning to me, i have never seen it before, it was probly put there by someone in the past.
20-30 bucks is a steal,
you could sell it for about 150.00 depending on the market at the momment.
probly more like 100.00 tho i could be wrong.
do you have any other parts for it, since you said you were going to ressuect it.