100 Tögrög Petra

Part of Mongolia's long-running series of numismatic issues marketed toward the tourist and collector trade, this piece commemorates Petra, the Nabataean rock-cut city in southern Jordan. Mongolia became a prolific issuer of themed novelty coinage in the 2000s, licensing foreign subjects with little geographic or historical connection to the country — a revenue strategy adopted by several small-economy central banks during that decade.

Silver-plated copper rather than solid silver; buyers in the secondary market frequently mistake these for sterling issues.