31.1 (1 oz). This beautiful 1 Oz Silver coin is part of the “Treasures of World” series, dedicated to the most fascinating paintings. In this edition: Vase With Cornflowers by Vincent Van Gogh. The coin features a wonderful square shape, has a vibrant colouration and a partial Gilding and comes in a themed case, along with the Certificate of Authenticity. Limited mintage of only 999 pieces worldwide. The reverse of the coin presents the painting “Vase With Cornflowers” surrounded by a beautiful Gilded frame. Vase With Cornflowers is one of Vincent Van Gogh’s most significant works. The obverse of the coin features the Coat of Arms of Niue and the inscriptions: “2023” – the year of issue, “1 DOLLAR” – the face value and “Ag 999 1 Oz” – the purity of the Silver and its weight.