Both are really old haplogroups.
She has a chart showing the earliest confirmed datable example of each mtDNA group in Europe--for V it is from 5640-5560 B.C., found at Alsonyek-Bataszek, Hungary.
She cites an article by Szecsenyi-Nagy, A., et al., "Tracing the genetic origin of Europe's first farmers reveals insights into their social organization," Proceedings of the Royal Society B, 282 (1805) 20150339.