Originally Posted by
madpogue
Far as I know, E means the fifth fortnight.
Right, I see, if you're using fortnight. However, I'm using Hummers each letter is a month.
A= January
B = February
D = March
E = April
G = May
H = June
K = July
L = August
M = September
N = October
P = November
S = December
It's a slight variation on tmars outstanding work on centurion serial number codes.