Amstrad PPC512, PPC640

I have PPC512 and PPC640 main units, two power adapters and two original bags.

type computer
country England
year 1988
os Dos 3.3, Gem
cpu Nec V30
speed  8 MHz
ram 512 KB / 640 KB
rom 16 KB
graphic 640×200
colors mono green
sound beeper
disk 3,5″ floppy (720 KB)
ports Centronigs, RS323, CGA, two expansion ports, modem