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Find a Wikipedia image that answers this question: What item is Jacques-Louis David wearing around his neck in his self portrait?

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Represent the given Wikipedia image with related text information: David Self Portrait.

['<|image_1|>\nRepresent the given Wikipedia image with related text information: A man. Oil painting. Wellcome L0018046.\n', "<|image_1|>\nRepresent the given Wikipedia image with related text information: Elisabeth Vigée-Lebrun - The Daughter's Portrait - WGA25073.\n", '<|image_1|>\nRepresent the given Wikipedia image with related text information: Jean-Auguste-Dominique Ingres, French - Portrait of the Countess of Tournon - Google Art Project Comte de Tournon, c.1812; Marquis de Tournon; Comte Jean de Chabannes-la-Palice [and Madame la Comtesse?], by 1911 and still in 1921 [1]; sold by the family of the Comtesse Tournon to Paul Rosenberg, Paris, 1935; sold to Henry P. McIlhenny, Philadelphia, August 29, 1935.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Antoine Pesne - Selbstporträt - Germanisches Nationalmuseum.\n', "<|image_1|>\nRepresent the given Wikipedia image with related text information: 'Self-portrait', terracotta sculpture by William Rush, 1822  Self-portrait, terracotta sculpture by William Rush, 1822, Pennsylvania Academy of the Fine Arts.\n", '<|image_1|>\nRepresent the given Wikipedia image with related text information: Paris, France LOUVRE Museum (La Tete de Saint Jean Baptiste - painted by Andrea di Bartolo dit SOLARIO).\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Sebastiano del Piombo Portrait of a Humanist.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Jacques-Louis David - Oath of the Horatii - Google Art Project.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Poussin, Nicolas - The Triumph of David - Google Art Project.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: John Campbell 1st Lord Cawdor Portrait of John Campbell, 1st Baron Cawdor (1753 1821) by Sir Joshua Reynolds.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Die junge George Sand.\n']
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