Possibly Selling all original H code 4spd In-violet 71 Duster. Need pricing help?

One owner car. All original 340 and 4spd with Sure grip rear. Rallye pkg with sharktooth grille, dash, rims and hood pins. Factory Racing mirrors. Needs work. Not running now but ran when last used in early 90's. Garaged since. Needs full interior. Came with houndstooth bench.

Any ideas where i can get some pricing guidelines. May be looking to sell. Have build sheet, owners manual and window sticker.

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