383 block ID

[RR Nick]

HI new member here.I was hoping someone could help me decipher the ID numbers on a 383 cast on 7 6 64 .The only numbers i've found are on the pad by the distributor and they are unlike any i've seen before. 63522C AV HP . here's a couple of pics. Thanks for any input. Nick!

 

[RonLiv]

2468130 is a 1959-1971 383

 

[RR Nick]

Thanks for the reply. I should have mentioned i knew that sorry. It's the other numbers by the distributor i've not seen before.Usually engine build date and cubic inch on that pad.