I buy electric choke m4me quadrajets for 20 bucks every time I get a chance.
I have quite a few of them.
Marine q-Jet cores are worth $100+ each.
Original
Quadrajet mechanical chokes used to be $100 each, but they're being re-popped now and the price has come down quite a bit.
If someone needs a specific carb for a restoration, ...the sky's the limit