<b>William Walcot</b>
(1874 - 1943)
<i>William Walcot RE was a Scottish architect, graphic artist and etcher, notable as a practitioner of refined Art Nouveau (Style Moderne) in Moscow, Russia. His trademark Lady's Head keystone ornament became the easily recognisable symbol of Russian Style Moderne. In 1920s–1930s, he concentrated on graphic art and was praised as "the best architectural draftsman" in London. </i>

https://en.wikipedia.org/wiki/William_Walcot

Interior of the del Gesu Rome
1925
Etching
49x60cm
https://manningfineart.co.uk/shop/william-walcott-interior-del-gesu-rome/

For more of his work:

https://elizabethharvey-lee.com/exhibitions/walcot/walcot_intro.htm