This was an ESC Silicon Valley 2011 badge
“Standard Card IC MF1 IC S50 05”
Package
Above: representative unit
Map
TODO: convert this to single .jpg. Can't find the original project file though
https://siliconpr0n.org/map/nxp/mf1ics5005/mcmaster_mz_ns50u/
(M)NXP2008 MF1ICS5005 DMIFS1V0