I would say it's the worst coin of the day but it's also the first of this type i have ever seen for sale.
Fraction or "post reform radiate", 305-306, Alexandria mint (under Galerius)
Obverse: FL CONSTANTINVS NOB CAES, Radiate bust right
Reverse: CONCORDIA MILITVM, Constantine receiving globe with Victory from Jupiter, ALE in ex., Γ above
RIC VI Alexandria 85
20mm x 2,8 gr