I decided to sell all of my TI-99/4A Command Module duplicates.   21 Command Modules (2 variations of Parsec) - $150 $100 + shipping (USA only)  1 black label TI Extended Basic - $25 $15 + shipping (USA only) 1 blue label TI Extended Basic - $30 $20 + shipping (USA only)   Make an offer. Thank you -Brandon