GREAT BRITAIN: Victoria, 1837-1901, new model crown, ND (1848), KM-X25, bimetallic issue in silvered and gilt copper by Allen & Moore, a wonderful quality example! PCGS graded MS64. A private issue made by Allen & Moore as a model for proposed bimetallic coinage, with the word MODEL carefully included in the design to avoid anti-counterfeiting prosecution.
Estimate: 150-250 USD