340 crankshaft value

This seller says this is a 1968 69 70 71 72 Dodge Plymouth Nice Original Mopar 340 Forged Steel Crankshaft ,,I am looking at buying this , I just acquired a 73 340 engine and want a forged steel crank , says its been polished an ready a few years back but never installed , .010 mains .030 rods
Price is $350 ,, any opinions about condition an price compared to buying new ? Should I pass and buy a new one ?
I have torn down the 340 and getting ready to send to machine shop

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