Can anyone decode these tag numbers?

lux hauler said:

I need someone to decode these or point me in the right direction to get them decoded.
The car is a '76 DeVille d'Elegence (coupe).
And the numbers are:
6CD47FWD025661BDY
12A
AV7
SFN4
ICLDG

Any help is appreciated.

Click to expand...

No much help but this site lists abit of info :
http://www.100megsfree4.com/cadillac/cad1970/cad76.htm

"A body identification plate on the top right surface of the shroud under the hood, near the cowl), reveals style number, trim number, body number, paint number, and date of assembly (month 01 through 12, week A through E) followed by codes for factory-installed options.
ENGINES"
That 12A looks abit like a build date sorry couldn't find out anymore

Jim