Synonym or breeding number (also NY 11-678) for the Ruby grape variety; see there.
There are at least three grape varieties with this name. In 2016, nine hectares of vineyards were designated in Kazakhstan for a variety called Ruby (Kym Anderson). However, it is not clear which one is meant:
The red grape variety is an interspecific new variety between Elvira x Brighton. It contains genes from Vitis...
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Roman Horvath MW
Domäne Wachau (Wachau)