As in title:
Two genuine MC68040RC33 mask E42K CPU's from Motorola.
Pulled from sockets - pins are clean.
Tested in A3640, all fine.
I'm sure that they can work fine with active cooling up to 50MHz, but I have no such hardware to test with.
Pictures in better quality:
https://photos.app.goo.gl/VacejnQ5wvSCmuZC9Asking 40EUR or 47USD each including worldwide postage by tracked letter.
Payment by PayPal as a "gift for family and friends".