How much is a 1967 Turkish 25 cent coin worth?

An Austrian 25 Schilling coin featuring Empress Maria Theresia and the shields of the Austrian provinces contains .3344 of an ounce of silver. There were 2.472 million uncirculated versions minted that one year and it may currently be worth about $7 with heavy wear to around $9 with moderate wear to maybe $12 if uncirculated (no wear). You might also try a library for a copy of the Standard Catalog of World Coins for pictures, values and lots more interesting info. Brad