Have seen it offered from $49 - $79 USD.
1959 Bermuda Crown: On a purely Scrap silver basis at today's silver price (27/03/2013) its £15.89 (28.28g of .925 Ag).The 1964 Bermuda Crown is £6.87 (22.62g of 50% silver).Obviously collectors may pay much more for coins in good condition.
The Bermuda dollar is linked to the U.S. dollar at 1 to 1, so your coin is worth 25 cents in either country.
1800
only 1 usd
Bermuda's dollar is tied to the U.S. dollar, so unless your coin is an uncirculated or proof strike, it's worth $1 in either currency.
No 1959 dollar coins were made, look at the coin again and post new question.
10 cents toward postage if you use it on a letter mailed in Bermuda. Otherwise, less.
how much is it worth
It's still worth 5 cents.
Such a coin does not exist. The only two years Australia issued a Crown (Five Shilling) coin was 1937 and 1938.
25 cents american
Face value only.