Indo Portuguese Administration, Republic of Portuguese (1910-1961 AD), Decimal Coinage, Copper Nickel 3 Escudos, 1959 AD, Counter-stamped "Prova" Incuse, Proof, Obv: shield on lined circle at center of the Maltese cross, Rev: Tiny towers shields above divded shield on lined circle, 8.03g, 26.88mm, (Gomes # E11.02), superb luster, nice toning, Proof, Very Rare.
Note: Counter-stamped with the word 'Prova,' this Portuguese term translates to "Proof" or "Trial," signifying that the coin was a test strike or experimental issue.