The circle in the middle is the SMI "Mint Mark SI" security feature that will be incorporated into the reverse of every new SMI branded bullion product. While it is not visible to the naked eye, when viewed through unique decoding lens, the security feature becomes visible.
The obverse features the Sunshine Minting logo with the company name, purity and weight. The photos with the white background are stock photos. The ones with the black background are the actual bar that you are purchasing. The item "Sunshine Mint 10oz silver bar (mint mark SI). 999 Fine" is in sale since Sunday, December 12, 2021.
This item is in the category "Coins & Paper Money\Bullion\Silver\Bars & Rounds". The seller is "dogwoodpacknship" and is located in Apex, North Carolina. This item can be shipped to United States.