Antique pink conch shell Melo Diade on wooden base cabinet of curiosities 70s

Beautiful antique conch shell melo diadema mounted on a pink painted wooden base. 1970s. Ideal for a cabinet of curiosities or contemporary nature seaside decoration. Very good condition, see the photos. Total height: 40 cm - 12 inches. Height of the base: 4 cm - 1 1/4 inches. Shell height: 16.5 cm - 5 inches. Shell width at the widest point: 11 cm - 3 1/2 inches. Depth: 9 cm - 3 inches. Base width: 10 cm - 3 inches. Weight: 550 grams.