Aloha! 

These are a single set of

 Vintage Souvenir Set of Flamenco Percussion Instrument Solid Dark Wood Castanets

 with Yellow and Red Ties

 Measuring 3.25" x 2-3/8" in size

 Purchased in Malaga, Spain over 50 years ago and displayed since. Original ties.

Wood type unknown. Manufacturer unknown.

 Please see photos

 Free shipping! 

Mahalo for looking!