SB19 is the Rumball house style of non vintage, strictly Coonawarra Shiraz. Designating Sparkling Blend Nineteen is Peter Rumball's way of recording the tirage. The most expert, small batch vignerons are contracted by Rumball to grow grapes on a system of high, double wire trellises. Following a minimum of nine months on yeast lees, a special formula Expedition liqueur is added at disgorgement to activate the mousse. SB19 is ready to drink now, but could be cellared for two to three years if you thirst for added complexity. If cellaring, lay the bottles down in a cool place with very little temperature fluctuation, this will help the cork to stay moist and protect pressure seal on the bottle.