50 Tögrög Year of the Rabbit

The 1999 Mongolian lunar series issues were among the first systematic collector-oriented strikes from the Bank of Mongolia, targeting the growing Asian numismatic market for Chinese zodiac commemoratives. Mongolia's adoption of the twelve-animal cycle reflects its deep cultural ties to the broader Sino-Tibetan calendar tradition, distinct from its Soviet-era coinage identity.

KM#159 is copper-nickel rather than silver, making it the budget tier of what was often a two-metal release strategy — silver for export markets, base metal for domestic issue at accessible face value.