Following the closure of the still, the stock, casked and bottled, has become rare, making it more collectable and the value has increased substantially. Today it is one of the most expensive brands in the world with bottles fetching prices of between $1500 and $4000 each.
^ abPeter Temple, P. (2004) Superhobby Investing: Making Money from Antiques, Coins, Stamps, Wine, Woodland and Other Alternative Assetsp.240-241 Harriman House Limited. ISBN 1-897597-33-9. Retrieved November 2011