Ah shucks, i'll copy and paste in the relevant part
Thomas Coopers Selection:-
Wheat - A (26807 W)
IPA - Ac (26807 IPA)
Irish Stout - A (26807 IS)
Pilsener - L (26807 P)
Australian Bitter - Ac+L (26807 PS)
Heritage Lager - Ac+L (26807 PS)
Sparkling Ale - Ac+L (26807 PS)
Traditional Draught - Ac+L (26807 PS)
Ac = Coopers ale yeast (our own strain, not the same as the yeast in our commercial ales, developed in-house and propagated under contract).
A = ale yeast and L = lager yeast (these strains are commercially available dry yeast and their details are held in confidence).