They are easily worth 20 bucks. A lot of people like them..they are good regs and they look badass. A lot of impulses didn't have the vertical max flow (thats what it is called) and nowadays everyone wants to use a screw in with a vertical reg. So a lot of impulse guys will want one of those.
20 bucks easily. 20 + shipping
"I'll see it when I believe it"