Belle & Boo postcard Mermaid. A little girl is ready to go swimming. Put on your swimming cap and inflatable ring and let's go. Her little toy duck also wants to go swimming. Vintage look with a simple printed card in pink/purple tones. Hang this card up as a decoration or send it to a little swimming champion who just received her diploma. The back of the card is blank. Printed in England with natural pigments.