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Old wooden holders that fit that description are fairly plentiful on eBay. Also try www.mpex.com. A wooden 8x10" holder in average condition runs around $15 (as opposed to about $40 for a used plastic Fidelity-type holder).
flickr--http://www.flickr.com/photos/davidagoldfarb/ Photography (not as up to date as the flickr site)--http://www.davidagoldfarb.com/photo Academic (Slavic and Comparative Literature)--http://www.davidagoldfarb.com