Question 1

Is “Knocker” in the public domain?

Accepted Answer

Yes. “Knocker” 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 “Knocker” 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 “Knocker” 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	Knocker
Date	ca. 1560–1620 16th century
Medium	Iron
Classification	Metalwork-Iron
Holding institution	The Metropolitan Museum of Art
Credit line	Bequest of Henry Victor Burgy, 1901
Rights	Public domain (CC0)

Knocker

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