Lefton Violet Chintz Stacking Ashtray Smoke Set

1956-1966 Lefton Violet Chintz stacking ashtray smoke set with four ash trays stack inside a holder.Gold trim accents and tiny violets and green leaves. The holder measures approximately 1 ½” tall and 3 " across. Each piece is marked on the bottom YB666 NP.Paper label is missing which is common on older pieces . In wonderful used condition without chips or crazing