Yeah i know that visiting Museum is good for knowledge in my life i have visited many museums too.but you shown me something what i did't seen in my life yet. Yes i'm astonished have a look ...
you said that

Here you can see the erect penis - probably meaning that he represents frugality. He was considered a friendly and protective God.

It was so deep meaning even i never couldn't imagine the way you explained.thanks to explain that and for your interesting photography and contents as always : )