12 bolt rear end info

[chevyandpontiac]

I have had this rear end in my gasser for years, it is a 12 bolt with a 4:10
Can anyone decode this for me?
Am I missing any other info?
Thanks Dan

[WILMASBOYL78]

Casting number is for a 12 bolt rear Nova or Camaro...probably 68-69. the casting date will tell you the year.

BV is a 4.10 ratio 0424 is the assembly date April 24th...

G1 is Detroit Gear/Axle 1st shift E is Eaton Posi

If it is not cutup it should be a part folks would want, especially if the internals are original.

-wilma