The mug could be any date from 1956 to 1985.
Leach Pottery St. Ives Glazed Stoneware Egg Baker Ramekin - Leach Standard Ware
David Leach, Lowerdown pottery, studio pottery jar, foxglove decoration, c1985
Philip & Frannie Leach British Studio Art Pottery Lidded Terracotta Square Vase
DAVID LEACH STUDIO POTTERY PORCELAIN LIDDED TRINKET BOX/POT - FOR RESTORATION
Old Leach Pottery , St Ives , Glazed Coffee Pot
Bernard Leach Fish Tile St Ives Studio Pottery Stoneware 5.75” Cream Blue Glaze
