When was "Portfolio stand and cover" created?

This artwork was created 20th century (wood core); 17th and 19th centuries (textiles).

What medium is "Portfolio stand and cover"?

Portfolio stand and cover is Silk; metal; wood.

Yes, Portfolio stand and cover is in the public domain and available for free download under CC0 license.

Unknown Artist

20th century (wood core); 17th and 19th centuries (textiles)

Medium

Silk; metal; wood

Dimensions

21 1/2 x 18 3/4 in AND 7 x 18 3/ 4 in (wooden stand 30 x 13 1/2 in)

Classification

Woodwork-Furniture

Culture

American, United States (New York ?)

Department

Robert Lehman Collection

Museum

Metropolitan Museum of Art, New York, NY

Credit

Robert Lehman Collection, 1975

Accession Number

1975.1.2451