https://www.ebay.co.uk/itm/Sam-Coupe-Pr ... 3171317043
https://www.ebay.co.uk/itm/Sam-Coupe-Dy ... 3169498139
https://www.ebay.co.uk/itm/Sinclair-ZX- ... 3171320989
https://www.ebay.co.uk/itm/ZX81-16K-LAB ... 3171319427
https://www.ebay.co.uk/itm/SINCLAIR-ZX8 ... 3171323846
Good luck