Need Help Pricing Rebuilt 1970-71 Corvette Engine

Hi All, I need help trying to figure out what my rebuilt 1970-71 Corvette engine is worth. I just had dyno sheets done (pics attached.) It tested 300 HP. The shop said it has lots of torque. It's 350 cubic inch. Thanks in advance for all input!

https://ibb.co/cQRwMpJ

https://ibb.co/2tXQ3QH

https://ibb.co/27BBcP7

https://ibb.co/6XYKtRQ

Pictures wouldn't go through on posting.

https://ibb.co/cQRwMpJ
https://ibb.co/2tXQ3QH
https://ibb.co/27BBcP7
https://ibb.co/6XYKtRQ