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How I Wrote a Technical Book on Coin Authentication: From a $10k 1933-S Half Dollar Scandal to O’Reilly Publication

How I Turned My Numismatic Expertise into a $50,000 Online Course: A Blueprint for Aspiring Edupreneurs
October 1, 2025
How Authenticating Rare Coins Like the $10K 1933-S Half Can Launch Your Tech Expert Witness Career
October 1, 2025