The product is a complete set of 12 protective inner envelopes from the 1958 Metropolitan Seminars in Art. These hardcover envelopes were published by The Metropolitan Museum of Art and authored by John Canaday. The set is illustrated and printed in English, focusing on the subject of art and photography. Each envelope likely contains informative content, commentary, or images related to art, making it a valuable collector's item for those interested in art history and photography.
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