Hey CNC, I got your message.
Actually, a couple of peoole sent me messages asking what I was talking about.
Below is a listing on ebay for the paint chips. On the back are the codes for the exterior or interior colour. Of course, mine was for a '66. That's what my paint guy used to mix up some paint for my red interior. It was right on the money.
https://www.ebay.ca/itm/1970-GM-CHEV...8AAOSw1TxfMExr