Dozens of Scottish Colourist works set to go under the hammer for millions

A vast private collection of Scottish art treasures never seen in public before is expected to spark a multi-million pound bidding war when it comes under the hammer within weeks.

Reflection, which was painted by Francis Campbell Boileau Cadell in 1915, is expected to fetch up to 600,000 at auction next month.

More than 30 paintings, watercolours and drawings by the celebrated “Scottish Colourists” have gone on display together for the first time ever ahead of being auctioned off by Sotheby’s in London after being kept in the same family for decades.

The works, which were unveiled at Glasgow Art Club yesterday, were amassed by a single collector who championed and befriended the artists George Leslie Hunter, Samuel John Peploe, Francis Campbell Boileau Cadell and John Duncan Fergusson in the 1920s and 1930s.

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Some of the works which are being sold off by the family of the Glasgow shipping magnate Major Ion Harrison are expected to fetch up to £600,000 on their own and more than £5 million in total.

Houseboats, Loch Lomond, by George Leslie Hunter, is expected to be sold for up to 250,000 by Sotheby's at its forthcoming sale.

The works, which will also be on display the headquarters of the Royal Edinburgh Military Tattoo on 11 and 12 May, are being sold off by four of Major Harrison’s grandchildren.

There has been a resurgency of interest in the work of the artists, who were hugely influenced by the extended time they spent in France, in recent years thanks to a number of major exhibitions.

Their work is held in various public collections, including the National Galleries, in Edinburgh, and Kelvingrove, in Glasgow.

Major Harrison first encountered the work of the Colourist artists, described by Sotheby’s as “arguably the most avant-garde British artists of their day,” when a friend, Dr Thomas John Honeyman, encouraged him to attend a Peploe exhibition in Glasgow.

He later recalled: “I had never seen anything in art similar to these pictures…they really startled me for, to my eyes, they were so ‘ultra-modern’.”

Major Harrison would go on to collect more than 150 paintings for his Victrorian villa, Croft House, in Helensburgh, in Argyll, which was regularly visited by Hunter, Peploe and Cadell, as their friendship with him developed.

Most of the 31 works of art going under the hammer at Sotheby’s were hung until recently at Croft House, which has been put up for sale by the same family members.

Thomas Podd, Scottish art specialist at Sotheby’s, which will auction the collection on 12 June, said: “Major Ion Harrison was a partner in a very prominent shipping company in Glasgow and also served with distinction in the First World War.

“He was very friendly with Honeyman, the collector responsible for bringing Dali’s Christ of St John of of the Cross to Glasgow, who was also a major early supporter of the Colourists. They moved in similar social circles. It was his encouragement that set Harrison on the path to this collection.

“We’re very fortunate in that he wrote down all his reminiscences of the Colourists, which he focused on almost predominantly in his collecting. Some of his collection have been sold off by branches of his family before, but this is the first significant chunk to come to the market. In terms of the modern market for the Colourists this is also a pretty significant moment, bearing in mind these are all from the one private collection.

“We’ve never had anything of this quantity and quality before come to the market.”