Unknown Denomination - Tribhuvana Bir Bikram Obverse Pattern

Pattern strikes for Tribhuvana Bir Bikram are poorly documented in the standard references, and this piece sits in that frustrating gap where attribution is confident but the precise administrative purpose remains unclear. Nepal's mint activity in the early twentieth century frequently involved trial and pattern work tied to proposed denominations that never advanced to circulation, often produced in tiny quantities for palace approval or foreign assay purposes.

At 14.97g in silver, the weight aligns closely with a mohar-based calculation, suggesting this may have been an exploratory attempt at metrication or alignment with British Indian weight standards — a recurring tension in Nepali coinage policy during this period.