Hi I Just wondering if anyone can tell me if the 1993 10oz silver kookaburra silver coin is worth and is anyone interested in buying them. i have 2 of them. Plastic cases abit rough, coins : one of them looks slighly tonned inside. The top one is tonned http://img6.imageshack.us/img6/2725/1993kook0001.jpg http://img269.imageshack.us/img269/6112/1993kook0002.jpg Thanks in advance