How to identify a brand of chess pieces?

I have a very nice set of wooden chess pieces that I purchased probably 20ish years ago....

An original composition. White to move and mate in 3.

3rd or 2nd rank for knights?

The Queen's Gambit Opening

How to Play Queen’s Gambit In Chess

The Queen’s Gambit is probably the most popular gambit and one of the oldest opening in chess....
wp4chess-opening-ruylopez

How to Play The Ruy Lopez Opening In Chess

The Sicilian Defense Chess Opening Tutorial