Vintage USSR Micrometer MK 25-50mm (0.01mm) MIZ

For sale is an authentic Soviet micrometer MK 25-50 mm with 0.01 mm graduation. Made in the USSR by the "Caliber" factory (features export USSR stamp). Condition: New Old Stock (NOS). The micrometer itself is in pristine, unused condition, perfectly preserved in original factory grease (the brownish spots on metal parts are grease, NOT rust). Reference Gauge Note: The included 25mm reference gauge is perfectly fine on one side, while the other side has a minor surface patina/spots (not deep rust, can be easily cleaned off). Complete Set: Comes with its original plastic storage box, adjusting tool, and the original factory paper passport.