HP 41CX with Strange Serial Number

[Gerald H]

(01-02-2019 10:17 AM)grsbanks Wrote:  I see nothing strange about the serial number other than the fact that it's on a label in the battery compartment. That could be because the lower shell, on which the serial number is stamped below one of the ports, was replaced at some point during the calculator's life.

2508S = week 8 of 1985, made in Singapore.

My question is whether HP used any such plaques on HP 41's as carriers of serial number.