Xqueeze_me
Well-known member
First: Letter = Batch Run
Middle: First Digit/Letter = Month
Last: Second Digit = Year
Batch Runs
A = First Run
B = Second Run
C = Third Run
Months
1 = January
2 = February
3 = March
4 = April
5 = May
6 = June
7 = July
8 = August
9 = September
A = October
B = November
C = December
(PLEASE NOTE: The month '0' does NOT exist!)
Year
The last digit normally represents the year of production.
(PLEASE NOTE: NEVER EVER purchase MAC products that are made ahead of the year you're in! For example, you're in 2007 but a 2009 batch of MAC product is already made....
)
Examples of batch codes:
Middle: First Digit/Letter = Month
Last: Second Digit = Year
Batch Runs
A = First Run
B = Second Run
C = Third Run
Months
1 = January
2 = February
3 = March
4 = April
5 = May
6 = June
7 = July
8 = August
9 = September
A = October
B = November
C = December
(PLEASE NOTE: The month '0' does NOT exist!)
Year
The last digit normally represents the year of production.
(PLEASE NOTE: NEVER EVER purchase MAC products that are made ahead of the year you're in! For example, you're in 2007 but a 2009 batch of MAC product is already made....

Examples of batch codes:
- AC6 - First Run in December 2006
- C96 - Third Run in September 2006
- A44 - First Run in April 2004