https://silverproofbox.com Fri, 09 Oct 2026 15:40:40 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://silverproofbox.com/2026/10/2017-south-korea-1-oz-silver-zisin-gallups-proof-box-coa/ https://silverproofbox.com/2026/10/2017-south-korea-1-oz-silver-zisin-gallups-proof-box-coa/#comments Fri, 09 Oct 2026 15:40:40 +0000 https://silverproofbox.com/2026/10/2017-south-korea-1-oz-silver-zisin-gallups-proof-box-coa/







The product is a 2017 South Korea 1 oz Silver Zi:Sin Gallup’s Proof Box COA. This silver coin has a fineness of 0.999 and is minted by the brand Komsco. It features the design of Zi:Sin Gallup and is a business strike type. The coin comes in a proof box with a certificate of authenticity.

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