A friend gave me a copy of Black Sabbath's Heaven And Hell with the following information in the dead wax: Side A: BSK-1-3372-WW2 #2 Winchester logo Side B: BSK-2-3372 JW3 #1 Based on my prior knowledge, I understand that the JW and WW are pressing plants used by Capitol: JW = Jacksonville, IL WW = Winchester, VA I've got many records with a side A mastered by one person/facility and side B another - no big deal, I understand that. But if these are pressing plant codes...shouldn't they be the same? Or do these codes signify they were mastered/cut, not pressed there? Why is this confusing me???