It means it was the third note on an original uncut sheet of four notes--that was later cut apart.
The first note on the original sheet would be Serial # A27088341, and has the plate position A
The second note would have serial # A27088342 and have plate position B
Your note has plate position C
The last note on the sheet would have the serial # A27088344 and plate position D
Interestingly enough, another cut sheet of four sold on Heritage in 2008. The serial numbers are close in range. http://currency.ha.com/c/item.zx?sa...=15221#Photo
Sorry for the lengthiness of this reply.
-MV
The first note on the original sheet would be Serial # A27088341, and has the plate position A
The second note would have serial # A27088342 and have plate position B
Your note has plate position C
The last note on the sheet would have the serial # A27088344 and plate position D
Interestingly enough, another cut sheet of four sold on Heritage in 2008. The serial numbers are close in range. http://currency.ha.com/c/item.zx?sa...=15221#Photo
Sorry for the lengthiness of this reply.
-MV





















