From the producer:

Cazcanes No.9 Rosa Reposado Limited Edition (100 Proof)

Our Still Strength Blanco (54% ABV) was placed in a Napa Valley Cabernet Sauvignon, first-fill French Oak casks. It was aged for 82 days and then bottled at 50% ABV or 100 proof.

This is a limited edition. This is the only batch that will be made this year.