Dalton French Lead Crystal Set of 2 Parfait Glasses

Elegant pair of W.M. Dalton French lead crystal parfait glasses.  Described as Unit No. 4/Sour, glasses are vintage (circa 1970s or early 80s) but unused and still have original Cristal D'Arques stickers certifying 24% certified lead crystal.   Each glass measures approximately 7" high and 2.25" across.  Hand wash only; made in France.