29 years ago next March, the earliest Pentium started to be sold to OEMs. This is one of the rarest, a Socket 4, 5 volt Pentium 60Mhz. They were not widely sold
Pentium? Core i5? Core i7? Making sense of Intel's convoluted CPU lineup | Ars Technica
File:Intel Pentium Processor (backside) with heat sink.jpg - Wikimedia Commons