Is “"Surely he will come?"” in the public domain?

Yes. “"Surely he will come?"” is public domain and released under CC0, so it is free to download and reuse for any purpose, including commercially, with no permission needed.

Where is “"Surely he will come?"” from?

It is catalogued from the open collection of Wikimedia Commons / Wikidata and is free to reuse under CC0.

Can I use “"Surely he will come?"” commercially for free?

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

“"Surely he will come?"” by Christen Dalsgaard (1879) is a public-domain (CC0) artwork, free to view, download and reuse for any purpose. It is catalogued from the open collection of Wikimedia Commons / Wikidata.

"Surely he will come?"

Christen Dalsgaard

Title	"Surely he will come?"
Artist	Christen Dalsgaard
Date	1879 19th century
Classification	painting by Christen Dalsgaard
Holding institution	Wikimedia Commons / Wikidata
Credit line	Image via Wikimedia Commons.
Rights	Public domain (CC0)