Guardhouse Display Boxes#: GH-M200:M. Size: 2 1/2x2 1/2x1 1/8 Color: Navy Blue. Sleek, blue velvet, metal constructed coin box ideally designed to hold one medium sized Guardhouse capsule. Direct-fit, medium sized coin capsules from Guardhouse hold Half Dollar coins. Box also fits Air-Tite T sized capsules. The specially made Guardhouse box insert will display the coin flat or at a slight angle for quick viewing. The size, medium, refers to the size of the insert, which is 1.43 inches, or 36.5mm. Actual coin box size is 2.5x2.5x1. Made in the USA.