buying silver, page-16

Hagtwoeight, you will find someone to buy it from you at a competitive price. But let's say you couldn't. You would then ring or email a bullion dealer in Sydney or wherever, and he'll tell you who to use as a courier. They courier it out, and they courier it in.
Other options would be to run a classified in a newspaper to sell it, or use ebay as has been suggested.
The main point of silver and gold is that it is naturally occurring money - it is by its nature easily exchangeable, as long as you're dealing with someone who recognises it.