Roman Shrimp Intaglio Pendant18th Century Pendant with Roman Intaglio England, circa 1780. A rare little treasure. Diminutive carved agate shrimp intaglio dating to the Nicolo period (first century) in an 18th century 18k gold setting. The pendant measures 0. 90 inches in drop length. The intaglio measures 0. 50 inches by 0. 45 inches. Antique gold chains are sold separately and are available in store. Please call or email the shop to inquire.