AmTiquing Trivia:

Minton and Boyle mark ca 1837

Minton and Boyle; Stoke-upon-Trent, Staffordshire, England
Herbert Minton, son of Thomas Minton who founded the pottery works in Stoke-upon-Trent in 1788, was joined by John Boyle, and operated as Minton and Boyle 1836 to 1848.

1897 A Book of Pottery Marks by W Percival Jervis