Rough and Tumble Tiffany and tourmaline Hobo Hobo Open pocket convertible purse

Tiffany and tourmaline with a little big of darker pigment on the front but barely noticeable but just want full disclosure. Includes robin blue wide nickel short strap. Short strap is not a perfect match with the blue on the bag. Not sure of exact style name of bag. Can we worn 3 ways - backpack, crossbody, shoulder bag. From a smoke free home. Beautiful leather.