The RC2014 is a Z80 based modular homebrew.  The designer Spencer Owen recently did a version with our After Dark service (clear solder mask on black substrate) and it is available on Tindie:

Special edition Z80 based retro computer kit with stunning After Dark PCB

Fundamentally, this is an RC2014 Mini. A single board Z80 computer that runs BASIC or Z80 assembly code. If you are looking for an easy to build, good looking, well supported Z80 single-board computer, you probably should just go and buy a RC2014 Mini

However, if you are after a stunning looking Z80 single board computer which is one of only 25 in the world, then read on…

Limited Edition RC2014 Mini After Dark

• Amazingly beautiful AfterDark PCB from OSHPark features black FR4 substrate, 1oz copper with clear solder resist, ENIG (gold) pads and white silkscreen
• Every track from the original RC2014 Mini has been relaid for maximum visual appeal
• RC2014 logo in the top copper layer
• Turned pin chip sockets
• White connectors, jumpers and reset switch to compliment the silkscreen
• Laser-cut mirrored base plate with brass PCB standoffs allow the underside of the board to be seen
• Rubber mounting feet
• Limited run of 25 kits, with each one being numbered. Kits will be supplied strictly in number order and records kept if later verification is required
• Option to buy a standard RC2014 Mini with a 50% discount so you can hack around and modify the standard RC2014 Mini whilst leaving the Limited Edition RC2014 Mini After Dark kit intact. Or mix & match the black and white connectors to create your own unique RC2014.
• Same specification as standard RC2014 Mini (Z80 processor at 7.3728MHz, 32k RAM, ROM with Microsoft BASIC / SCM Monitor, 5v power over USB barrel jack cable or FTDI cable, 115,200 baud serial communication, keyboard connector for Universal Micro Keyboard, Pi Zero header option for Pi Zero Serial Terminal
• Luxury packaging for that unique “unboxing experience”
• Shipping will automatically be upgraded to signed, tracked or recorded delivery based on your location
• Limited run RC2014 After Dark stickers