So, I purchased a collection of instruments that included several flutes. I cannot ID the one pictured in the link below. I've been told it is either an older Stantin or perhaps one of the early Sweethearts. Any help would be appreciated.

https://cyleshobbies.blogspot.com/2020/06/trying-to-id-irish-d-flute.html

It's a Santin. S logo is similar to pictures on his page.

http://www3.sympatico.ca/clarke-santin/flutes/main.html (scroll down)