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Exact registry match — this is a specific TTB COLA record. We found a strong match for this wine.
What to Expect
MC4 is a California Cabernet Sauvignon that delivers full-bodied flavors with firm tannins and dark fruit character. As one of the world's most widely planted red wine varieties, this grape variety is known for its versatility in both single-varietal bottlings and blends, making it a staple across California and beyond.
Original editorial summary © 2026 Encyclopedia of Wine. All rights reserved; may not be reproduced without permission. Registry facts are public TTB data; brand names and label artwork remain the property of their respective producers.
| TTB ID | 21067001001033 |
|---|---|
| Brand name | MC4 |
| Fanciful name | MARTIN & CROSHAW VINEYARD |
| Class / type | — |
| Origin / appellation | — |
| Grape varietals | Cabernet Sauvignon |
| Approval date | Mar 10, 2021 |
| Status | APPROVED |
| Serial number | 21003M |
| Permit number | BWN-CA-22144 |
| Producer name & address | Shadybrook Estate Winery, Shadybrook Estate, LLC 100 RAPP LN Napa CA 94558 MC4 (Used on label) |
| TTB record | View on TTB COLA Online → |
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