One Rupee Sri Lanka Obverse : The official 50th anniversary logo of the United Nations International Children’s Education Fund at the center, with the acronym `UNICEF' to a side on top. The period `1946-1996' is depicted below the words UNICEF. The word `ANNIVERSARY' appears in Sinhala, Tamil and English at the bottom centre of the coin. The words United Nations Children’s Fund" in Sinhala and Tamil is on right and left side along the periphery. Reverse : The value `ONE RUPEE' in Sinhala, Tamil and English with `Sri Lanka' in Sinhala at the apex. The year of issue `1996' is at the bottom. A commemorative one rupee cupro-nickel coin was issued by the Central Bank of Sri Lanka in 1997 July for circulation, to mark the 50th Anniversary of the United Nations International Children’s Education Fund.