Timex Sinclair 2000

The TS2000 had never existed! It have existed a TS2000 prototype! The prototype of TS2000 series!
There where 4 prototype computers:
TS2016, TS2048, TS2068, TS2072.

TS2016 was dropped in favour of TS1500. The TS2000 prototype cases were used in TS1500.
TS2068 was dropped for the TS2072, and TS2072 changed the name to TS2068.
TS2048 was dropped for the TS2068.
The original TS2068 caracteristics are unknown.