A German turned ivory cup 18th century

the domed circular base with scallop-banded edge, rising to a field of concentric scales beneath two downturned rings of flared petals, the baluster-form stem comprised of a fluted urn form beneath an openwork knop and a fluted stalk, supporting a large cup, the underside decorated with a concentric scale design similar to that on the foot, a gadrooned register above, the undecorated upper portion divided by a deeply recessed band, the top register of oval section.

Christie's London, April 20, 1988, lot 74

Three losses around scalloped lower edge of foot. Chips along lower rim of element just above central knop. Small hole in floor of cup. Minor inherent variations in color. Some grime in crevices.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective qualified opinion.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.