20260207      Several typographic and grammatical errors throughout the text corrected.

Page 23: technical error: text stating Philadelphia mint established 1793 corrected to 1792. (While official operation began 1793, it was established 1792.) Page 139: technical error: corrected date range of stored Morgan bags release to public from "1970s" to "1960's to 1970s" Page 283: omission: Publishers brief history section inadvertently omitted Coin World. Coin World has been added to this section.

               - Sincere thanks to John Barber for his feedback that led to these corrections.

20260214  Page 241-243, 248-249. Several typographic and grammatical errors corrected. Revised to clarify conservation sections on verdigris and general surface protection. Specifically, use of manufacturer directions for Verdi-Care, the strengths of Verdi-Care and Classic Coin Conditioner for treating verdigris and other debris. Also, use of these products for protection of vulnerable coins.