Collectible container with preformed customizable window region comprising predefined removable sub-regions of material

A collectible container comprising:

• a main body portion comprising:
• a first body portion;
• and
• a second body portion situated opposite the first body portion such that an interior space configured to receive a collectible is defined between the first body portion and the second body portion;
• wherein the first body portion has defined therein a first region comprising a first plurality of predefined removable sub-regions configured to be physically removed from the collectible container to produce a first opening defined in the first body portion which opens into the interior space, thereby providing access through the first opening to a first surface of the collectible received by the interior space;
• wherein the first plurality of predefined removable sub-regions is provided in an array or matrix configuration comprising a plurality of rows and a plurality of columns, with each row comprising at least one of the predefined removable sub-regions and each column comprising at least one of the predefined removable sub-regions;
• wherein in being configured to be physically removed from the collectible container, the first plurality of predefined removable sub-regions is configured for pick-and-pluck removal by hand of a user without use of any additional tool or intervening device;
• and
• wherein the first region is at least partially defined in the first body portion by at least one of:
• a series of perforations formed in a constituent material of the first body portion;
• and
• localized thinning of the constituent material of the first body portion.