This 1872/1M overdate Sovereign, rated AU50 obverse/MS61(unc reverse) Shield. The reverse is vastly better - all lions faces showing. PCGS sighted 11MS/35lower. The low sightings evidence reduced mintage estimated - 4 times scarcer than 374K minted. Irrespective, the 1872M is lowest Minted Young Head Shield sovereign. EXTREMELY SCARCE.