More puzzles

 The first puzzle of 2021 is finished, finally.  

 

 

 

And the second one as well.  This one is a 500-piece Okta-puzzle from Springbok, circa 1967, with art by Sam Savitt.  It's called "Mares & Foals" for obvious reasons.  

I love any puzzle company that makes pieces shaped like these: 

And the third one is in progress.  It's a vintage Whitman puzzle with a photo of the Grand Canyon. 

 

 

This one is tricky - about half the pieces don't actually interlock, the curves just fit together.