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Correction
More information is needed. Turkey has revalued its currency several times so 5000 lira could be worth very different amounts based on the coin's date. Please post a new, separate question with that information.
There were two different designs of 1992 Turkish 5000 Lira coins. since the Turkish Lira was devalued in 2005, the coin is worth less than one cent US. You may get a bit more from a coin dealer.
Lire is the plural of Lira that is Italian. So 5000 Italian Lire worth $ 3.52 And for Other phase There is a currency that is Turkish Lira. And 5000 Turkish Lira worth $ 235.51
Your coin (25,000 lira) has little value except to a collector, and then only if it is in mint condition. There are 1,000,000 old lira in 1 New Turkish lira, so your old lira have little money value, just curiosity value. (1 New Turkish lira is worth (March 2009) about US$0.75.) Any remaining old lira has to be converted at either the Turkish Central Bank or T.C. Ziraat Bank branches, at the rate of 1 million old lira = 1 new lira
10,000 Turkish Lira
There are 1,000,000 old lira in 1 New Turkish lira, so your old lira have little money value, just curiosity value. Any remaining old lira has to be converted at either the Turkish Central Bank or T.C. Ziraat Bank branches, at the rate of 1 million old lira = 1 new lira.
You can only get old Turkish lira changed into new Turkish lira in Turkey. There are 1,000,000 old lira in 1 New Turkish lira, so your old lira have little money value, just curiosity value. (1 New Turkish lira is worth (March 2009) about US$0.75.) Any remaining old lira has to be converted at either the Turkish Central Bank or T.C. Ziraat Bank branches, at the rate of 1 million old lira = 1 new lira
Türk Lirası (Turkish Lira)
There are 1,000,000 old lira in 1 New Turkish lira, so your old lira have little money value, just curiosity value. (1 New Turkish lira is worth (March 2009) about US$0.75.) Any remaining old lira has to be converted at either the Turkish Central Bank or T.C. Ziraat Bank branches, at the rate of 1 million old lira = 1 new lira
You can use USD Dollars, Euros and Turkish lira, nowadays it's very close to USD. (1 Lira = 1.2 Dollars) I suggest you to use Turkish Liras, it would be more cheaper. For example, you wanted to buy a picture. Seller says "1 euro or 1 lira". If you give him 1 Euro, you will be given 1.8 Liras. But if you give 1 lira, you will save 0,8 liras :) That was just an example.
There are 1,000,000 old lira (YTL) in 1 New Turkish lira, so your old lira have little money value, just curiosity value. (1 New Turkish lira is worth (March 2009) about US$0.75.) Any remaining old lira has to be converted at either the Turkish Central Bank or T.C. Ziraat Bank branches, at the rate of 1 million old lira = 1 new lira
/////About 2800 usd////CorrectionMore information is needed. Turkey has revalued its currency several times so 5000 lira could be worth very different amounts based on the coin's date. Please post a new, separate question with that information.
Old Turkish lira about 10 British Pence. There are 1,000,000 old lira in 1 New Turkish lira, so your old lira have little money value, just curiosity value. (1 New Turkish lira is worth (March 2009) about US$0.75.) Any remaining old lira has to be converted at either the Turkish Central Bank or T.C. Ziraat Bank branches, at the rate of 1 million old lira = 1 new lira