Where to find the sacabambaspis in the Helsinki Natural History Museum

There is a replica of the extinct Sacabambaspis janvieri species of fish in the Natural History Museum in Helsinki, Finland that went viral in Japan and to an extent elsewhere too, but it is rather difficult to find and easy to miss. This is only tangentially related to the rest of this blog, but since I happen to live in Finland, here's some quick help for whoever might need it.