The Tandy/Radio-Shack MC-10 was designed as a low cost competitor to the Sinclair ZX-81/Timex-Sinclair 1000 in 1983, and was Discontinued a year later.

TRS-80 MC-10 ( Wikipedia )
TRS-80 MC-10 Facebook Group

TRS-80 MC-10 Repo at The Color Computer Archive

( CLICK Here Tandy-RadioShack CoCo 1, 26-3001, 4K RAM, in Mercedes Silver, SN:0034491.... Full Size for BIGGER PICTURE )

I decided after all the CoCo's that Zippster ( Ed Snider ) has opened up for his FaceBook Posts, I should Open Up my CoCo 1.

( CLICK Here Tandy-RadioShack CoCo 1, 26-3001, 4K RAM, in Mercedes Silver, SN:0034491.... Full Size for BIGGER PICTURE )

( CLICK Here MAX HEADROOM: The Picture Book of the Film". They appear to be a First Edition, Printed in the U.S.A..... Full Size for BIGGER PICTURE )

( CLICK Here Various TTL Logic Chips.... Full Size for BIGGER PICTURE )

( CLICK Here Apple Macintosh, Mac Mini, PowerMac10,1.... Full Size for BIGGER PICTURE )

( CLICK Here Applied Engineering RAM WORKS III and Color Link RGB Boards for the Apple ][e.... Full Size for BIGGER PICTURE )

( CLICK Here Sinclair ZX81 and Timex-Sinclair 1000.... Full Size for BIGGER PICTURE )

( CLICK Here WIZnet W5100 Modules and a Small Apple ][ Protyping Board.... Full Size for BIGGER PICTURE )

( CLICK Here Arduino Pro Boards with Atmel Mega328P Microcontroller.... Full Size for BIGGER PICTURE )