High confidenceExact registry match — this is a specific TTB COLA record. We found a strong match for this wine.
What to Expect
Proprietary Rock is a Merlot from an unknown origin, likely part of the wide California plantings of this popular Bordeaux grape. With its soft tannins and moderate acidity, it offers an approachable red that's widely available in American wine markets.
Data sourced from the public TTB COLA Online registry. Wine Grabber is not affiliated with or endorsed by TTB.
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