What to ask for Half Tracks

Trying to get an idea what price to ask for a set of Blackhawk Arps Half-Tracks.
They were last used on my dad's 1953 Ford Golden Jubilee around 1965 and have been stored inside ever since.

Original tires are still in great condition and hold air, wheels spin freely on hubs.
Metal parts have some minor surface rust but nothing rusted through.
Set appears to be complete
2 sets of steel tracks,
2 idler arms with tires and wheels,
2 axle adapter brackets and
2 Brackets to elevate fenders away from the halftracks.

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