Actually, it is not Millersburg's "Blackberry Wreath". It is Millersburg's GRAPE WREATH. It's an easy mistake to make, but the clue is the central pattern. There are four specific designs / motifs, that can be found on the centre of the Grape Wreath pattern. They are:
Eight point star motif (spider web)
Feathery leaf motif seen on the Grape Wreath;
Square & plume motif (star & bars)
Peacock eye & feather motif (also called clover & feather)
You can find out much more about Millersburg, the patterns, the variations, the history (the "Rise" and the "Fall") on out website here:
http://www.carnivalglassworldwide.com/millersburg.htmlBe sure to use all the menu tabs at the foot of the main Millersburg page, as we have a huge amount of information there. For example, all the Millersburg exterior designs in detailed line drawings, and the four motifs mentioned above, are all on this page:
http://www.carnivalglassworldwide.com/millersburg-masterpieces.html