NXP MKV10Z64VLH7 M0 ARM microprocessors, pack of 88. (These retail for ~ $5 each).
The tray is sealed with moisture absorber. Sellers offers to open the packaging and confirm count before shipping at buyers request. If there is a large discrepancy, sale can be cancelled. Otherwise, no returns.
75MHz ARM M0 CPU
64k flash, 16k SRAM, 26 I/O