Lot of five ST brand CMOS EPROMS. 4/5 known working.
M27C322 [32Mbit / 4MB] (x3)
M27C160 [16Mbit / 2MB],
M27C800 [8Mbit / 1MB] (my reader/writer says this one has bad pin). I trust this device 50% of the time.
All have data on them. must be erased with UV eraser.