The containers in the Pharma section

[JoJo_Jost]

Three of the four nymphs also seem to be in upside down vessels. There seems to be some chance the one that is not, is standing in a partly later addition thingy (at least it may not have been finished before the writing was added).
Anyway, these ones with fancy lids are Q15. You are not allowed to view links. Register or Login to view. has 3 vessels and the lids seem to match the nymphs lids fairly well. If we just say "heart>clover>ball". 

Yes, that's interesting and suggests that many of the other theories are becoming less likely and that perhaps the containers/vessels need to be classified differently after all.