This is all I know about these figurines;
Edgar Rice Boroughs E'zine...scroll down about half-way.
The figures illustrated above, will be originals. probably from Germany (?), and are about 8 inches high, hollow, slip-cast bisque (or;Parian Porcelain) mouldings in the style of Fairings, which they may well have been issued as over here...there..Europe. Doh!