According to Constantanides, the town of Yenidje was destroyed by a massive flood in the mid 1800s. Its tobacco growers moved up the valley to the mountain slope town of Xanthi, and continued their growing. At the time of his writing, no high quality leaf was grown in the original Yenidje area. He states that all leaf sold commercially as "Yenidje" at that time (~1910) was Xanthi Yaka.
On this forum and elsewhere, there have been a number of debates about whether "Yenidje" (also sometimes spelled Yeniçe) is the same or a different seed variety from Xanthi Yaka.
The oldest Balkan Sobranie Smoking Mixture (BS White) that I recall was purchased by me in 1971. It contained lots of Latakia (50%+), which was almost certainly Syrian. Over the next couple of decades, with the decreasing availability of Syrian Latakia, my guess is that they migrated to Cyprian Latakia. Also, according to Pease, the specific Turkish varietals changed.
The greatest problem with a contest is deciding which of the many faces of BS White should be used for comparison. If we just say that Don's current can of "old" BS White will be the standard of comparison, likely no one else on the forum (including me) will have any idea what it is.
But, I think it's a great blending challenge to make a mild, smooth and rich "Macedonian" style English pipe blend.
Virginias
Orientals
Latakia
?Perique?
Bob