
Before 1917
W & A L Made in England
W & A L Made in England earlier style mark - certainly pre-1917 the 'L' stands for Longton - the town were the factory was located
Pottery & porcelain · a closer look
Royal Crown Ware Wild & Adams Ltd England 1923-27 'Ltd' added to the mark from 1923
'Ltd' added to the mark

Before 1917
W & A L Made in England earlier style mark - certainly pre-1917 the 'L' stands for Longton - the town were the factory was located

From 1917
W & A Royal Crown Pottery England date range uncertain - certainly in use from 1917 by 1923 the mark shown below with 'Ltd" was introduced

1923–1927
Royal Crown Ware Wild & Adams Ltd England 1923-27 'Ltd' added to the mark from 1923