10 000 000 Lira Haghia Sophia

Turkey redenominated its currency in 2005, wiping six zeros off the lira after decades of inflation had rendered denominations in the millions routine. This coin, issued just three years before that reset, denominates at ten million lira — a figure that by 2002 was worth roughly six U.S. dollars at prevailing exchange rates. It was struck under the old numbering system that would shortly become obsolete.

The .925 silver specification places it firmly in the collector-issue category rather than anything approaching circulation.