What would you pay for this 1974 340 Duster?

Yea the 74's came with a 360 not a 340 and that was the first thing I noticed.

The price they are asking is $13,500.00. It seems a bit high, but I'd like some second opinions.

Here's some pics of the under body: https://picasaweb.google.com/112436373673891790576/1974Duster