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The unique travelling sale book relates primarily to the popular floral-encrusted wares of the c.1825-35 period and includes polychrome illustrations, descriptions and trade prices. Mr Godden says his discovery is not for sale but he has decided to make the manuscript – and a lecture on floral-encrusted porcelains – one of the themes of the three-day conference on early 19th century British porcelains at the Fosse Manor Hotel, near Stow-on-the-Wold.

The charge for two nights at the hotel, five lectures and an identification session is £195 per person with a £45 supplement for a single room. For full details, contact Mr Godden at 3 The Square, Findon, West Sussex, BN14 0TE.

• Ceramics enthusiasts will also be interested to hear of an exhibition just opened at the Coalport China Museum in Coalbrookdale, Shropshire titled Caughley in Colour.

Best known for its blue and white porcelain, this exhibition – that opened on March 19 and runs until October 30 – focuses instead on polychrome-decorated pieces produced from 1775 and 1799, many of them by artists at the Chamberlains Worcester factory. Contact 01952 435900.