LED VFD and LCD pocket calculators

Texas Instruments TI 2550-II

This scientific calculator of Texas Instruments has a green VFD display.Very special, as it has a playback option.  Fully working . Made in 1976. 

This item  is in a very good!  Comes with a cover, a battery cover with batteries, an  instruction book and a box. 

If you want pictures in a better resolution, don't hesitate to email me