Largely similar to earlier Uniq Creation cases we've seen, the new leather March and Porte cases come in iPhone 5 ($35 each) and iPad mini ($50 each) versions. All of the cases are flip-open designs with a single ID or credit card slot inside the lid, and iOS device holders on the right; March uses a series of parallel colored lines on the front and back, while Porte instead features angled lines. The iPhone versions include a front speaker hole so…