Blenko Glass Sea Green CM-1 Crackle Glass Mini Hat. Designed by Wayne Husted. The CM minis were in the catalog line from 1954-1956. The hat is about 3 inches tall and about 3 inches by 5 inches at the top. There are a few tiny black specks in the glass, but no chips, cracks, or other issues.There is a pontil mark on the bottom