LONDON.- Christies announces the sale of The Pieter & Olga Dreesmann Collection of Dutch Old Master Paintings which will be offered in the Old Master & British Paintings Evening Auction on Tuesday 3 July. The Dreesmann family name is synonymous with connoisseurship, passion and generous philanthropy in the arts. Crowned by Rembrandts masterpiece A Bust of a Man in a Gorget and Cap (estimate: £8 million -12 million), offered at auction for the first time in almost 40 years, the outstanding collection, formed by Pieter and Olga Dreesmann, comprises a group of 15 exceptional works by 17th Century Dutch Masters of the Golden Age. The group constitutes the most important single-owner collection of Dutch paintings of this period to come to the market in recent years and is expected to realise in excess of £19 million. Richard Knight, International Co-Chairman of Old Masters and 19th Century Art at Christie&