Originally Posted by Richard

This is a seeded concord table grape with an excellent flavor. Here's the description from Dave Wilson Nursery:

Large, purplish-black, American grape. Ripens two weeks earlier than Concord, keeps well. Adapted to cool summer climates. Productive, winter hardy vine. Hybridized in Ohio, tested in New York, introduced in the 1890s. 100 chill hours. Self-fruitful.

I've been trying to get this plant for awhile, and I finally succeeded with an order from Meyer Nursery & Orchards in Medford, Oregon.