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An attractive pair of George III gentleman’s buttons, each sporting a seated dog, will go under the hammer at Bishop & Miller Auctioneers on April 7 in Stowmarket, Suffolk.

Estimate £100-150.

bishopandmillerauctions.co.uk or see this item on thesaleroom.com

The prolific English artist Roland Green (1886-1972) is best known for his bird studies, which he made in watercolour and oil.

On April 4, Special Auction Services of Newbury in Berkshire will offer an8 x 11in (21 x 28cm) pencil on paper of a young pigeon on a branch.

Signed and dated 1912, it is estimated at £50-100.

specialauctionservices.com or see this item on thesaleroom.com

A Blickensdefer typewriter in its fitted bentwood carrying case has an estimate of £120-180 at Borders auction house Brown & Turner in Jedburgh on April 7.

George Blickensderfer’s invention dramatically reduced the complexity of typewriter design, containing only 250 parts compared to the 2500 parts of rival models.

First patented in 1891, the design ran to many models, with this number 7 series carrying the serial number 73857. About 63,000 Blick No 7s were produced from 1897 until 1916.

brownandturner.co.uk or see this item on thesaleroom.com

Another tranche of books from the vast collection of Italian industrialist Giancarlo Beltrame (1925-2011) will be offered at Chiswick Auctions in London on March 29.

The collector, who was an important figure in Vicenza’s industrial and economic recovery following the Second World War, filled his house with ‘memento mori’, vanitas imagery, dance of death motifs and prints from the 15th to the 20th century.

Estimated at £300-500 is a 16th century book by the Italian papal theologian Sylvester Mazzolini (1456-1527), which covers themes such as witchcraft.

Published in 1575, the copy of De Strigimagarum, daemonumque mirandis has some staining and worming and bears old and illegible inscriptions and signatures to the title.

chiswickauctions.co.uk or see this item on thesaleroom.com