So, a sixpence in the Lsd system equals 2.5 pence in the decimal system, which is in turn equivalent to about 3.5 US cents (in January 2009). Most likely, however, the coin has more numismatic value than that (, but maybe not much, depending on date and condition), and if it is dated 1946 or earlier, it is made of silver and so has some intrinsic value as well. It is often far faster, easier and much safer to just buy bitcoin on a local bitcoin exchange. What if I need to pay $20 in bitcoin to someone overseas? This is a tricky one because you are dealing with the Rand / Dollar exchange rate, as well as the Dollar / bitcoin / Rand exchange rate on the exchanges. Lets say today I go find a broker and I get $200 worth of bitcoin. What can I expect to happen?, How much money will I make over 6 months, 1 year? Edit: ok, I’ll rephrase . How much profit do you generally make per $ invested? Edit 2: Why don’t I make up my own currency? . Who wants to buy DeclanCoin™️ at 1 DEC = $1.00 USD