Rectangle port heads casting # 3898983

[Havasu Carrera]

Anyone know what these are worth? They are off a running engine but the whole thing. SURELY including the heads was worn out. (SO I HEARD)
They are Casting #3898983 Square port heads off 327 Vett? I honestly do not know. So anyone know what they are worth or want them let me know. They are in Havasu.

[snake321]

Are you sure that those numbers are right?? I looked up in 2 places and didn't see them.