Available for immediate purchase. Sea Urchin Shells Southern Heart Urchin Collected from the sea in Nagasaki. I believe these are Southern Heart Urchins, but please confirm with the photos. These are B-grade items with chips and yellowing. They are being sold cheaply as a set. The yellowing remains, but they have been bleached. Would you like to add them to your collection? Sizes: Longest diameter approximately 10.2cm, 8.9cm, 8.5cm, 7.8cm, 7.2cm, 6cm [Shipping] Will be protected with bubble wrap and shipped. Carefully packaged. Shipped via Yu-Packet Plus.