This backstamp identifies a vintage Royal Doulton Character Jug from the Williamsburg Collection, specifically the "Blacksmith" model (Pattern D6571), copyrighted in 1962. 

Backstamp Details

• Manufacturer: Royal Doulton, England

• Series: Character Jugs from Williamsburg

• Character Name: Blacksmith

• Model / Design Number: D6571

• Copyright Year: 1962

• Maker Mark: Royal Doulton lion and crown stamp with registration numbers listed underneath

  The standard dimension for the Large / Full-Size version of the Royal Doulton "Blacksmith" D6571 character jug is approximately 7.25 to 7.5 inches tall 

  The current secondary market value for the Large 7.5-inch Royal Doulton "Blacksmith" (D6571) character jug generally ranges between $20 and $45 USD.

  While specialty replacements or antique dealer sites list them for upwards of $60 to $65 USD, actual completed sales on auction platforms typically settle at the lower end of the spectrum