If you find it, preserve it. Just don't use it for client work unless you’re ready to explain to a Monotype lawyer why your font file says "16h."
If you are looking for this specific version, it is typically accessed through professional font managers or enterprise-level library services that handle proprietary typography. If you'd like, let me know: If you are looking for a download link for this specific font If you need similar font recommendations that are easier to find If you are trying to identify a font in an existing document arial black 16h library exclusive