J. ALVES - SÉC. XX/XXI "Buffalo", silver sculpture, Oporto assay mark (post-1985), Carlos Alberto Ferreira Alves makers mark (1977), signed J. ALVES, numbered nº 01 and dated 07-07-2007 Dimensões (altura x comprimento x largura) - 18,5 x 12 cm; Peso - 2047 grs.