Lot 135: AN ISLAMIC SILVER AND YELLOW AGATE CALLIGRAPHIC SIGNET RING.
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A silver signet-style ring set with a central oval translucent yellow agate intaglio. The stone is finely engraved with cursive Arabic calligraphy, divided into two horizontal registers by a central line. The script is enclosed within a lobed and cusped cartouche frame. The engravings are filled with a black substance to enhance legibility. The intaglio is held in a rub-over collet setting. The reverse of the closed-back mount features an incised decoration consisting of an X-shape within a rectangular frame. Three small circular indentations are visible on the lower edge of the reverse of the mount. The ring has a split-shoulder shank that tapers into a single band. The outer edge of the band is decorated with a continuous engraved chevron or wheat-ear pattern.
Condition report:
The chalcedony stone shows minor surface abrasions and small nicks consistent with age, visible under magnification (photo 1). The silver mount and shank exhibit a dark patina and tarnish, particularly concentrated within the recessed areas of the chevron engraving and around the setting (photos 2 and 3). There are scattered minor scratches and small impact marks to the metal surfaces throughout. No structural damage or repairs are visible.
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