I am a Sinclair collector of hardward and here is my current list of things I am looking for.
I am happy to pay top dollar for any such items but if you have something rare that you think is relevant then just drop me a line!
MK14
In kit form
Fully Assembled
VDU Module
Cassette Interface
PROM Programming Card
ZX80 Hardware
In kit form
Fully Assembled (Issue 1 and Issue 2 only)
Packaging and/or documentation for 8K ROM Upgrade Kit
Packaging and/or documentation for 16k RAM PACK (the one that has ZX80 on the RAM PACK)
ZX80 Software
Any software for the ZX80
ZX Sprectrum
ZX Spectrum 128+ External Keypad
Sinclair QL
Mint condition Sinclair QL Machine
ICL One Per Desk Variation
BT Merlin Tonto Variation
Computerphone Variation
Memotech Hardware
48k Expansion Board
MemoCalc
MemoText
I/F (Centronics Printer Interface)
I/F (RS232 Interface)
ZX81 Keyboard (Must be blue, I already have the black)
Z80 Assembler