Any of these blocks worth anything local guys has them laying in his shop.

BBC
340220 - 427T 68-85 yr.
14015445 - 454 78-90 yr.
10114182 - 454 91-up yr.
10237299 - 427T 96-up yr.

SBC
3970010 - 4 bolt main not sure if a 302 or a 350.