Mug celebrating George Stephenson’s Rocket steams to triple-estimate
This Liverpool creamware transfer-printed frog mug was produced by the short-lived Herculaneum factory c.1830-33 just after the 1829 Rainhill Steam Trials.
To the exterior of the 4¾in (12cm) mug is George Stephenson’s Rocket, the only one of five locos t…