Alex in PA. Posted May 28, 2022 Share Posted May 28, 2022 I am probably wrong but at one time, if you cracked an NGC holder didn't the label of something change color. Link to comment Share on other sites More sharing options...
Administrator Ronnie@NGC Posted May 31, 2022 Administrator Share Posted May 31, 2022 Hi, Thank you for your question. Our holder has not had any color-changing elements if it is opened. More details on our security features can be found here. We appreciate your interest in NGC. Link to comment Share on other sites More sharing options...