I've come across these and wanted to share.
₲ Ǥ ǥThe one that's probably closer to what we're looking for is the Kadiweu variation of the partially voiced palatal spirant in the Latin Skolt Sami alphabet. (Below, right)

Unfortunately, the international keyboard doesn't appear to include this symbol. Anyone know how to get a symbol added to the international keyboard? Is it something that Microsoft does or is there another organization?