This unique item is sure to make a great addition to your collection. This particular specimen measures 3.5-3.9 inches and has been dried naturally. The skeletal structure of a Hippocampus Erectus is on display for your interest. It is difficult to determine the origin of this seahorse, and it is part of a collection of rare shells and minerals. I have many and will send 3.5-3.9 inch seahorse. I have no problem taking a picture of the actual specimen that will be sent. Just ask and I can guarantee you will get that specimen.