Watch List notes:

World Coins, Argentina, Republic, copper pattern piedfort centavo, 1892, emblem of the Republic, rev. value and date within beaded border (KM.Pn34), certified and graded by NGC as Specimen 63 Brown
*ex Baldwin's vault.
Although without any mint mark, this piece is one of a series of regular and piedfort essais prepared by the Paris mint for several Central and South American countries.