Mystery Malt (M) 13 Years 2011 Signatory 100-Proof Edition #29 is a luxurious single malt that deftly blends time-honored Speyside refinement with the opulent influence of first-fill Oloroso sherry casks. Though discreetly presented, the identity hinted by Mystery Malt aligns with the revered name, suggesting a whisky of exceptional pedigree, depth, and complexity.