The Standard Abacus of Eli Argan is a 1420 years old piece made by Eli Argan , a merchant living in Athens.
Considering its age and the quality of the work, people consider it of considerable value.
It is engraved with european patterns and some symbols pertaining to Catholic.
This piece doesn't exist, but as a legend. It is said that in the year 2003, Augustus Argan , the owner, made use of it in Warsaw to empower the Argan family. Now it is lost, or broken, we will never know.