Just checked, there is one on e-bay right now for $150, which isn’t bad for something that is the right height, etc..(IMO)

'69 Hemi Charger 500, ‘70 U code Challenger R/T
(These and a bunch others at www.dkowal426.com)

P.J. O'Rouke: "The old car ran perfectly, right up until it didn't."