Ephemera › HS 4292 - Label for R. Buchan's Royal Crystalline Marmalade Image 1 of 1 HS 4292 - Label for R. Buchan's Royal Crystalline Marmalade £25.00 Successors to James McGregor & Son. c 1900. Good condition Add To Cart Added! Successors to James McGregor & Son. c 1900. Good condition