Rare White Ceramic Gold Chip 1820 Hewlett Packard HP HP1820-169 CPU IC Processor

Rare Vintage Mint Gold Purple Ceramic Z80 MOSTEK MK3880P CPU Zilog Date: 1979

National Semiconductor NS NSC INS4001-P1 VINTAGE IC MCS4 4004 ERA NS4001 Quanity

Rare Vintage Intel 87C196KC Silicon Wafer, 6" (150mm), with Case, Tech Art Gift

Vintage Circuit Board Gold ICs 2N2920 2N6790 Component Dense

P4001 Intel MCS-4 73,74,75,76,77,78 date codes, Unused USA stock, (6pcs)

Vintage RCA CDP1802CD Microprocessor CPU Ceramic COSMAC Tested Working, USA

Vintage Texas Instruments SN72510L TO-99 Metal Can IC Gold Leads 1971 & 72 Date