Not your far more common variety smooth base. Ultra tough CLEAR with a slight pink tint in the dome top CD 162 SDP H.G.CO. PATENT MAY 2 1893 PETTICOAT signal. Drips are in fantastic condition with only two having flakes on them. One paperthin 1/4" under upper front wire ridge flake, razor flat pinky nail size front under upper wire ridge flake and two rear under upper wire ridge flakes-one is 9/16" and the other is 3/4". Priced at less than half of price guide @ $ 550.00 and that includes the shipping. Price slashed to $ 475.00 and that includes the shipping.