High confidence
Exact registry match — this is a specific TTB COLA record. We found a strong match for this wine.
What to Expect
IOPPA is a Nebbiolo-based wine with origins unknown, which aligns with its high tannin and acidity profile reminiscent of Barolo and Barbaresco. As a rare domestic varietal in the U.S., it offers a unique taste experience that might require some time to develop fully.
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 | 17236001000540 |
|---|---|
| Brand name | IOPPA |
| Class / type | — |
| Origin / appellation | — |
| Grape varietals | Nebbiolo |
| Approval date | Sep 13, 2017 |
| Status | APPROVED |
| Serial number | 170761 |
| Permit number | CA-I-16534 |
| Producer name & address | THE SOURCE, VANCE WINE SELECTIONS, LLC 770 SKYWAY CT NAPA CA 94558 |
| TTB record | View on TTB COLA Online → |
Official Source
TTB remains the source of record. Wine Grabber links each record back to the public COLA detail when available.
View official TTB record → Related Registry Pages
What would you like to do next?
Wine Grabber is a free public registry. Pick the path that fits you — your choice helps us learn what people come here for.
For wine drinkers
Understand & remember this wine
Scan, understand, save, and learn about this wine.
For wine businesses
Manage & monetize this wine data
Turn labels into clean product records, menus, shelf cards, ecommerce copy, and inventory-ready wine data.
Data sourced from the public TTB COLA Online registry. Wine Grabber is not affiliated with or endorsed by TTB.
Label images are being added for a growing share of records as we harvest them from TTB. Coverage is partial and growing. Coverage & Limitations →