Patent ID: 8863793

Claim:
A modular rigid wallet system for securely retaining paper currency comprising a first base case portion, a second base case portion, a first auxiliary base case element, and a second auxiliary base case element, the first base case portion and second based case portion being mechanically operable together via a hinge element to create an enclosure, the enclosure having an inside portion and an outside portion, and wherein; the first base case portion comprises a first top side and a first bottom side, wherein the first top side is sized and shaped for slidably attaching and detaching the first auxiliary base case element on the outside portion of the enclosure, and the first bottom side is sized and shaped for slidably attaching and detaching the second auxiliary base case element on the inside portion of the enclosure, and; the second base case portion comprises a second top side and a second bottom side analogous to the first top side and first bottom side of the first base case portion, the second top side being sized and shaped for slidably attaching and detaching the first auxiliary base case element on the outside portion of the enclosure, and the second bottom side being sized and shaped for slidably attaching and detaching the second auxiliary base case element on the inside portion of the enclosure, and; wherein the hinge element is partially integrated in the first base case portion and partially integrated in the second base case portion, and; wherein the second auxiliary base case element is sized and shaped as a clip for receiving and holding the paper currency such that when the second auxiliary base case element is slidably attached to the enclosure the paper media is securely retained within the inside of the enclosure.