What is the value of a peace silver dollar without a date?

To a collector the coin is worthless to them since there is no date. However, you do have a coin that is worth money. It is worth as of today (10/24/10) $17.98. What you have is a silver dollar that is 0.77344oz of silver. To figure out how much you coin is worth in silver just multiply the price of silver ($23.25 today's price) by the oz of the coin. So in your case 23.25x0.77344

silver dollar=0.77344

pre 64 half dollar= 0.36169

pre 64 quarter=0.18084

pre 64 dime=0.07234

wartime silver nickel=0.05626