Sutcliffe Stopper/Periscope for Nautilus / Unda Wunda (Stopper/Periscope ONLY)

Have you one of these lovely Sutcliffe Nautilus or later versions of the Unda Wunda submarines that is in dry dock because it's missing its Stopper / periscope ?. If so, set sail on the high seas again with this COPY Sutcliffe Stopper / Periscope.