Abstract: There is disclosed a storage device for sports card collections and the like. The storage compartment within the device is widened at the top to allow removal of individual cards and, in one embodiment, is partitioned by removable dividers which are firmly held in place by opposing guides formed within the sides of the storage box. The dividers may be arranged in any desired order resulting in various combinations of storage space between such dividers. A lid can be provided to firmly enclose the stored cards and a number of the storage boxes may be interlocked in a side-by-side manner to expand the card storage capacity.