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		#21 | 
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			Join Date: Jan 2006 
				Location: Kent 
				
				
					Posts: 2,658
				 
				
				
				
				
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			Hi Tim, 
		
		
		
			there is a spray that deters 'little knowledge eaters' ....I believe it is safe on paper etc. .....might be worth a try. Hi Fearn, all the Chinese coins I can find pictures of have a singular hole...usually square. Also pictured below is a coin sword 18thC-19thC British museum.....again notice the singular hole   "....Coin-swords were a form of talisman used in southern China to ward off evil influences, especially those causing fever. They were made by tying together 'cash' (the pidgin term for Chinese coins with a square hole in the middle) on to an iron rod......" Regards David  | 
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