Wide, somewhat domed base of folded glass with tall, narrow, hollow stem closed at top by folded glass and at bottom by pontil wad. Stem pushed up to attach to cup whose lower wall is pointed in inverted cone. Distinct blowing spirals.
Light blue (PMS 317C) to medium bluish green (PMS 556C), semitransparent to semitranslucent. Uncommon pinprick and small spherical bubbles; rare small elongated bubbles.