RARE Hard-to-Find 4 RASTAL colored glass vintage tulip desert/parfait dishes

2 blue, 1 yellow, and 1 green - RARE and VINTAGE from the 1970's, RASTAL fluted glass/parfait desert dishes. Made in Germany by RASTAL.They're approx 5" across rim, 5.5" tall and base 3.5" in diameter and almost 1 lb each.