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细节
A late 19th century diamond and enamel presentation ring
The blue guilloché enamel cartouche with applied rose-cut diamond initial 'A' beneath a crown, to rose-cut diamond surround and pierced shoulders, possibly adapted
The blue guilloché enamel cartouche with applied rose-cut diamond initial 'A' beneath a crown, to rose-cut diamond surround and pierced shoulders, possibly adapted