The elaborately decorated porcelain pot featuring the picture of an amorous couple embracing in a tent on one side and ladies bathing by a pavilion on the reverse is part of a prized Meissen ceramics collection worth as much as 2 million pounds in total.
The chamber pot will be auctioned at the Bonhams sale in central London on December 5, the Daily Mail reported.
The chamber pot was known as a 'bourdalou', named in the 18th century after the priest Louis Bourdalou, who preached at the court of French King Louis IV.
His sermons were so fascinating that ladies of the court would use their pots rather than leave to relieve themselves.
The potty used by women of high society to relieve themselves in public was carried away by the maid.
The oval pots with handles were designed for ladies to place beneath their skirts.
It was a privilege for spectators to observe all these 'toilette' rituals and beautifully painted pots were luxury items used to flaunt wealth and social status.
Many of the Meissen pieces from Egyptian-born seller Said Marouf's collection have been exhibited in museums worldwide.
They include a royal saucepan, cover and stand from around 1745 that would have been used for breakfast and is valued at up to 80,000 pounds.
It was originally made for Queen Maria Josepha, wife of King Augustus III of Poland and bears the royal coat of arms and spectacular landscape scenes.
A hot chocolate breakfast beaker is expected to fetch up to 30,000 pounds.
It was originally part of a set of six beakers, six tea bowls and saucers. The set was a wedding present to German Princess Maria Amalia of Saxony for her marriage in 1738 to Charles VII, King of Naples.
Production of porcelain at Meissen near Dresden started in 1710. It was the dominant style of European porcelain among royals and nobility until around 1756.
"The Said and Roswitha Marouf Collection is without doubt one of the most important collections of 18th century Meissen porcelain to come to the market," Sebastian Kuhn, Bonhams' director of European porcelain, said.
"It is incredible to see such a selection of fine pieces, including some rare and intimate items from the royal toilette, with fascinating provenance," he was quoted as saying by the paper.
