On Saturday, 10 September 2016 09:04:19 UTC+1, Andy Burns wrote:
tabbypurr wrote:

A clearer pic might give us slightly more clue.

I thought it had been identified as one of these?

http://uk.farnell.com/texas-instruments/ri-trp-wr2b-30/rfid-transponder-134-2khz-glass/dp/1902162#techDocsHook

80 bits of memory for £236! Must be ancient. Perhaps someone somewhere has a system with one missing


NT