I did a search and came up with this site for one result....most of the links are at Ebay....have you tried doing a search on Ebay for it? Might be worth a shot...here's the link I found...don't know if its hwat you are looking for or not tho.
http://www.bisamerica.com/cgi/search.pl?S=vintage+children&C=43427
Search Results for vintage children