Sold as 1 cup /1 saucer $20
There are 5 total sets 
These are double espresso size or tea cup size (not mug) 2.5" diameter cup + depth, saucer is 6" diameter
Made by Thomas of Germany Porcelain in the 1980's, and very hard to find! 
Contact me for shipment if purchasing the entire set yinnewyork@gmail.com