A Carl Fabergé silver guilloché engraving pattern sample panel, early 20th century, of rectangular form, engraved with twenty-five different pattern squares, the reverse inscribed 'C. Fabergé', 15.5cm x 12.6cm, accompanied by four associated photographs showing the Fabergé shop on Bond Street, circa 1910. Note: removed from the Fabergé workshop in the early 20th century by workshop employee Mr. Cooper before the store closed in 1915.