There are some letters and numbers on the VIN plate of my recently purchased 1966 Suburban that I cannot decipher. They are above the actual VIN number, and I have already figured that out.

What does C-66-25 above the VIN number mean?

See below for what is on the VIN plate.

CHEVROLET DD

C-66-25

C1466B108439

Doug 57
1966 Chevrolet Suburban
"Bilko
All original
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