Identification # decoder?

Is there a decoder online for the tags that are on the seats? I have a set of high back bucket seat in my 67 that I bought when I was in high school 16 years ago off of a neighbor. I don't remember the year of the seats. I have a tag off of the seat bottom, but it is hard to decipher the numbers. I know they are 69 or 70 seats and I believe they are Mach1's due to the upholstery pattern. They do not have an accent stripe on them they are all black. The seat-back adjuster latch to lay the seat forward is on the back of the seats. I will get pictures tonight and try and post the numbers on the tag I found.
I am asking because I want to get new upholstery to match the 67 colors to put on these seats. I like the look and feel of the high backs.
 
Here are pictures of the seat. I think they may be 71's?
The numbers on the seat tag are as follows:

D2ZB6563100AC
VMGR
231 000 2AD

Anybody got any ideas?
 

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To expand on NasaGT's reply
On all ford part numbers the first two characters are the year:

First character = decade
C = 60s
D = 70s
E = 80s
etc

second character = given year
C9.... = 69
D1.... = 71
D2.... = 72
E4.... = 84