正面: The Public Seal of Niue at top PUBLIC SEAL OF NIUE, motto in ribbon ATUA 𝄓 NIUE TUKULAGI, the home of Sherlock Holmes in Baker Street, magnifier lens with the iconic door of 221B. Decorated frame around with face value, country, date, weight andsilver purity ⤻ at bottom 15 DOLLARS NIUE 2025 200 g Ag 999.
背面: Sherlock Holmes and Dr Watson against the backdrop of a harbour scene, surrounded by characters key to the plot. Theme in ribbon ↷ at top THE SIGN OF FOUR (Sign of Four), main character in ribbon ⤻ at bottom SHERLOCK HOLMES.
