Second photo is from above showing details of the optic.
Height 8 1/4
Across the Top 4 3/8
Across the Base 4 7/8
There are 8 Valleys in the Ruffle
and if I counted correctly 44 Optics
This is part of the Decor line and is pictured on page 194 of the book "A Handbook of Old Morgantown Glass" by Jerry Gallagher. The color pictured is Burgundy.