Howard Daniel writes:

Howard sent the following from the IBNS web site, which does refer to her as a founding member:

To read the complete article, see:Ruth Hill (2010)(www.theibns.org/joomla/index.php?option=com_content&view=article&id=259:ruth-hill&catid=30:hall-of-fame&Itemid=177)

Finally, Howard adds:

To read the earlier E-Sylum articles, see:QUERY: WHERE IS THE RUTH HILL WORLD PAPER MONEY COLLECTION?(www.coinbooks.org/esylum_v16n07a16.html)
MORE ON THE RUTH HILL WORLD BANKNOTE COLLECTION(www.coinbooks.org/esylum_v16n08a07.html)
HERITAGE TO SELL RUTH HILL BANKNOTES(www.coinbooks.org/esylum_v17n06a28.html)