A large, at least Grp. 6, shape 147. The condition is very good, with some carbon residue on the rim, but no wear, and very minor tooth chatter on the acrylic stem. the nomenclature is crisp and clear. The chamber diameter is large enough for my thumb. Used.
5.8” long, bowl 2.6” tall. Weight: 2.25 oz., 63 grams.