This passage summarizes information about an ancient Greek calyx krater painted by Euphronios between 510-500 BC. It describes the vase's dimensions, subject matter depicting Heracles and Antaeus on one side and a youth playing the flute on the other. Details are provided about Euphronios' painting style including anatomical features and use of brushwork. The summary highlights key differences in how Euphronios portrayed the myth of Heracles and Antaeus compared to other versions.