coin Museum number 1932,0601.12 | Authority BIOG114118 Ruler:Rama IV Mongkut | Production date 1851-1868 | Production place Minted in:British IslesIssued in:Thailand
coin; trial-piece Museum number 1857,1104.2 | Authority BIOG114118 Ruler:Rama IV Mongkut | Production date 1857 | Production place Minted in:England
ingot Museum number 1905,0104.15 | Authority BIOG114118 Ruler:Rama IV Mongkut | Production date 1851-1868 | Production place Issued in:Thailand