Question 1

Is “Curtain Knob” in the public domain?

Accepted Answer

Yes. “Curtain Knob” is public domain and released under CC0, so it is free to download and reuse for any purpose, including commercially, with no permission needed.

Question 2

Where is “Curtain Knob” from?

Accepted Answer

It is catalogued from the open collection of The Metropolitan Museum of Art and is free to reuse under CC0.

Question 3

Can I use “Curtain Knob” commercially for free?

Accepted Answer

Yes. As a CC0 public-domain work it can be used commercially, modified and redistributed with no fee and no attribution required.

Title	Curtain Knob
Date	ca. 1850 19th century
Medium	Brass, gilded alloy
Holding institution	The Metropolitan Museum of Art
Credit line	Purchase, Mrs. Russell Sage Gift, 1970
Rights	Public domain (CC0)

Curtain Knob

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