<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">Union cases</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31356224</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:36:03</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">Union case</dcterms:alternative> <dcterms:alternative xml:lang="en">cases, Union</dcterms:alternative> <dcterms:alternative xml:lang="en">daguerreotype case</dcterms:alternative> <dcterms:alternative xml:lang="en">daguerreotype photograph case</dcterms:alternative> <dcterms:alternative xml:lang="en">union cases</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ Cases designed to hold portrait photographs, usually daguerreotypes or ambrotypes. The case was customarily made of leather or another material, hinged, opening like a book, with velvet or another covering applied to the interior surface facing the image, and the outside surfaces decorated with relief designs. The design was patented in the United States by Samuel Peck in 1854. ]]></dc:description></metadata>