Hi folks, this is the chartI use.
847 SERIAL NUMBER DE-CODE FOR DATE
First number - YEAR CODE
1 = 1991, 2001, 2011
Month code
C = JAN
D = FEB
E = MAR
F = APR
G = MAY
H = JUN
I = JUL
J = AUG
K = SEP
L = OCT
M = NOV
N = DEC
Batch code next 2 numbers
08 = Batch 8
Serial number next in batch
0069
My set made - 2001 or 1991, November, Batch 8, Serial 0069 in batch
Leighton. GW3FSP.
gw3fsp