Born and raised in Canada, Shawn moved to the United States at the age of twelve. Now (2023) a Michigan resident, he began collecting coins at a young age with the influence of his grandfather. With over four decades of collecting and two decades of appraising, Shawn began numismatic forensics in 2022. The love of mystery and solving puzzles drove him to research and discoveries. With a strong background in writing, he began to have articles he wrote published by CoinWeek, ERRORSCOPE, and The Numismatist. In 2023 he was awarded a Newman Numismatic Portal Grant.
Author of The Rabbit Hole of the 1909 Lincoln Wheat Cent (2023).
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A study of varieites of the 1909 and 1910 Lincoln cents, including correspondence and sketches from the National Archives regardng the design evolution of the coin. Microtomographic studies provide 3-D analysis of various pieces. Includes coverage of the Bloom hoard, a group of 1909 cents held together since the time of issue.
An overivew of alloys within U.S. coinage, well-illlustrated with examples of improperly alloyed pieces. Includes results of SEM/EDX scanning on selected coins, as well as extremely high resolution photography, which is used to depict surface anomalies at a granular level.