Numbered limited edition mugs produced by Burslem-based ceramic designer Lynn Cyples to celebrate the Society's first 30 years. It features the PHS logo and web address on the front and PHS logo and dates on the back. 9 cm diameter, 8.6 cm tall in fine bone china.
The design was to be produced as numbered limited edition of 50 mugs in 2016. Only numbers 1 to 30 were made.