Rob,
I just learned something...and stand corrected. Your '90 has a check digit of 10, so they used an "X" (Donny...same for you on those LSPs). It's the only exception to the 0-9 formula above.
There's a formula used for calculating the digits...and when the formula returns 10, you get the X.
So...0-9, and X.
__________________
Mike
'82 SSP (Marketing Order)
'83 Colorado State Patrol #202
'83 Texas DPS
'85 Florida Highway Patrol #1422
'93 Florida Highway Patrol #1187
'93 Florida Highway Patrol #1363
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