There are several problems with Kedushas Shviis produce in Chutz LaAretz, including that there’s a Chiyuv to do Bi’ur on it at a certain time – and if this was not done, the item is Assur forever, but can not be destroyed. Also, there is an Issur to bring Peiros Shviis out of Halachic Eretz Yisrael, or to purchase Peiros Shviis (Otzar Beis Din is a way around this, but has very specific rules). The issue of how to deal with leftovers (which Klugeryid brings up) is complex, as those of us who are lucky enough to live in Eretz Yisrael know.
Based on these issues, I’d be very, very hesitant to purchase any of the wines in question.
an Israeli Yid