CASK 23, our proprietary bottling produced only in particularly meritorious vintages, is drawn entirely from S.L.V. and FAY, our estate vineyards in the Stags Leap District. Over the years, we’ve learned that certain blocks and sub-blocks within these properties consistently yield grapes of exceptional quality. The choice of which grapes will go into CASK 23 is far from automatic, however. Even within sub-blocks of proven greatness, the quality of fruit varies from year to year and from vine to v...