Saw this on eBay and thought someone may be interested? Its nothing to do with me.
It looks like a kludge fix zeddy judging by image 6. Also it has what looks to be a black ZX80 PSU which would be consistent with being an early one.
https://m.ebay.co.uk/itm/SinclairZX81-P ... %7Ciid%3A1
ZX80 / ZX81 hardware and software offered for sale or swapping
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