From The Collection of Michael Aronoff: Old Potrero 18th Century Style Single Malt Whiskey. Essay: 10-RW-ARM-3-B. Barrel strength. Pot distilled from 100% Rye Malt mash, and aged in uncharred Oak barrels. 62.55% ALC/VOL (125.1 Proof). Foil seal excellent. Printed labels likewise excellent. 750ml. Distilled, aged and bottled by Anchor Distilling Company (San Francisco, CA).