Allegria Designs Dolphin Pin The pins are sculpted from silver-plated pewter that has been oxidised and buffed to obtain a contemporary, antique look. They are so adorable, we know you will love them. All pins come in a gift box so make great presents for friend especially easy to mail overseas. Weight: 18 g in gift box. Made in Australia There are 33 different species of Dolphin around the world, the most common is the Bottlenose Dolphin. They are warm-blooded mammals which means they can breathe air. They can often be seen surfing the waves at Sydney beaches, and abound round our coastline.