Kazakhstan's shift to steel-core coinage in the smaller denominations was driven by the rising cost of zinc and copper alloys that made the original brass coins increasingly uneconomical to produce. The magnetic variant replaced the earlier non-magnetic KM#24 without a formal public announcement — a quiet infrastructural decision typical of central bank cost management across post-Soviet states during this period.
Kazakhstan's shift to steel-core coinage in the smaller denominations was driven by the rising cost of zinc and copper alloys that made the original brass coins increasingly uneconomical to produce. The magnetic variant replaced the earlier non-magnetic KM#24 without a formal public announcement — a quiet infrastructural decision typical of central bank cost management across post-Soviet states during this period.