The two-page note, written on Kensington Palace notepaper in September 1984, was originally expected to fetch £1,200 at Sworders Fine Art Auctioneers. The letter was addressed to Violet Collison ...

This has included everything from art and crockery to historical artefacts ... turned out to be worth a staggering £50,000. Royal letters Arguably, one of the most remarkable finds discovered ...