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<p>[QUOTE=&quot;QuincyAK10, post: 350828, member: 6159&quot;]<i><b>&quot;Foxing</b></i> is an age-related process of deterioration that causes spots and browning on old <i><b>paper</b></i> documents such as books, postage stamps and certificates. The name may derive from the fox-like reddish-brown color of the stains, or the rust chemical ferric oxide which may be involved. <i><b>Paper</b></i> so affected is said to be &quot;<i><b>foxed</b></i>&quot;....&quot;</p><p>- &quot;High humidity and damp conditions are the main causes of <i><b>foxing</b></i>. Due to the metal in papermaking machines, iron in the water source, dirt or pollution, there may be traces of metal dispersed among the <i><b>paper</b></i> fibers. When the <i><b>paper</b></i> absorbs moisture, the metal traces begin to oxidize in those areas,&quot;[/QUOTE]</p><p><br /></p>

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