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|  3rd November 2007, 09:52 PM | #7 | 
| Member Join Date: Jun 2007 
					Posts: 31
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			Now that you mention it and under closer observation I would tend to agree with you in this case, Tim.  I have alot of pieces however that have layers of ancient dried gunk on them.  Jean Pierre Hallet wrote about it a bit in Congo Kitabo,  I have a copy some where and if I can find it I will relate what he had to say.
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