Mid-20th century 18ct yellow gold double curblink collar necklace by Chaumet, Paris, with London import hallmarks for 1957, converting to a pair of bracelets,
Early 20th century Russian diamond scroll collar necklace by Vassily Finikov, St. Petersburg, reputedly by Bolin and gifted in 1905 to Duchess Cecilie of Mecklenburg-Schwerin, converting to a tiara,