Stamped 9ct to rear. Tiki measures 16mm high x 8mm wide, overall height including pin 48mm. Overall weight approx 1.3 grams, pin is gold plated base metal, not gold.
The rear of the brooch is stamped twice 9ct. Measures 50mm wide x 9mm high & weighs approx 5 grams. The pin is not gold but base metal. Comes in minty display box, unsure if original.