Title: Brooch with Greek letters
Object type: Brooch
Date: ca. 1860
Artist: Firm of Castellani 
Artist role: Maker
Medium: Gold, glass tesserae
Dimensions: Overall (confirmed): 1 3/8 x 1 3/8 x 1/8 in. (3.6 x 3.5 x 0.3 cm)
Classification: Metalwork-Gold and Platinum
Credit line: Gift of Judith H. Siegel, 2014
Department: European Sculpture and Decorative Arts
Repository: Metropolitan Museum of Art, New York, NY