1 very rare 40 pin white ceramic chip manufacturer unknown for collectors

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1 very rare 40 pin white ceramic chip manufacturer unknown for collectors:
$40.00

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we are selling a very unusual white ceramic 40 pin chip,manufacture unknown Has grey bands and gold face and gold pins..I am sure that some collector knows this is very rare and dated in the early 70s. In good condition. Only one I have seen in ages. See photos.

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1 very rare 40 pin white ceramic chip manufacturer unknown for collectors:
$40.00