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AN Antiques Roadshow guest was left floored after hearing the jaw dropping valuation of their old painting that was just "hanging there".
BBC viewers were taken to Pollock House, in the centre of Glasgow, a large countryside mansion with an amazing collection of art.
The guest brought in an old painting by a renowned Scottish colourist, named Francis Cadell that was given to her by her Grandfather.
It's always been "just hanging there" at her grandfather's house, she claimed.
The painting showed the west coast of Scotland - with some beautiful drawn boats in the foreground looking over the sound of Iona, towards the Isle of Mull in the background.
Iona is a small island in the Inner Hebrides, off the shore of Scotland's west coast.
The expert told the guest that the painting was rare, and Francis was "one of the most famous" artists working in Scotland in the early 20th century.
She went on to explain to the guest that it dates back to 1913 which is "quite special" because Cadell first went Iona the year before in 1912.
The guest replied: "Wow.
The expert continued: "And he went every year for a few months for the next 20 years or so years, up into the 30s, and he kind of really put Iona on the map in the avant-garde artistic world."
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The piece of art was beautifully created by the famous artist, using watercolours, and "spontaneous brushwork".
The expert then turned to the guest and asked her if she knew what it was worth.
The guest replied: "No, granddad didn't say. No idea."
"I love that it's just been hanging there," said the expert before revealing the valuation.
She said: "It's the sort of thing that if today it came up to auction today, I'd probably put an estimate in the regon of £7,000 - £10,000.
The guest was left gobsmacked at the eye-watering valuation of the painting that had just been sitting in her grandfathers house. The episode came a couple of weeks after another guest found a £20k ring in an old sock.
"Wow, wow," the guest said before laughing nervously.
"That's cool," she continued.
The guest then expressed how happy her granddad would've been and how he would've loved to be there in person to here the jaw-dropping valuation.