A SPANISH COLONIAL SILVER, MOTHER-OF-PEARL AND TORTOISESHELL CASKET, of rectangular form with domed roof, the tortoiseshell veneer over a wood core, incised with scrolling foliage inhabited by birds and wild beasts, each panel centred with an inlaid mother-of-pearl quatrefoil, the whole enlivened and framed with silver mounts, the silver lockplate in the form of a crowned double headed eagle, the reverse engraved EN, GUADALAXA, late 17th or 18th Century