Dragon32 power supply

I have hotwired my Dragon32 with a 200W ATX power supply, and the machine runs perfectly.
As this setup isn't very authentic and quite awkward to use, does anyone have the original external power back with the 9 pin plug they'd be willing to sell?
Cheers!
J
As this setup isn't very authentic and quite awkward to use, does anyone have the original external power back with the 9 pin plug they'd be willing to sell?
Cheers!
J