Thank you for viewing. This is a KNOX system planner. It is a very rare AUTHEN series. It is a new, unused item. I opened it wearing gloves to check and photograph the product. Returns and exchanges are not possible to prevent substitution. Product details are as follows: Limited 20mm diameter System Planner Bible size (double hook) 【Material】 Surface: Steerhide (cowhide) Inside: Steerhide (cowhide), Pigskin (pig leather) 【Size】 H190 x W155 x D45mm 【Ring Inner Diameter】 20mm (6 holes) (Ring color: Gold (pale gold)) 【Interior Specifications】 Inside right: Open pocket x 1, Pen holder x 1 Inside left: Side pocket x 1, Card pocket x 4 KNOX system planners use ring金具 from the German company "Krause," which is renowned as the highest quality among binder金具. 【Remarks】 Refills are not included. Please purchase separately. Enjoy the unique, one-of-a-kind genuine leather. ● Bloodlines naturally appear. ● There are many scratches! ● What appears to be stains, unevenness of oil and dye, is where a lot of oil and dye has soaked into the damaged areas. ● Deliberately left sewing marks ● The sides of the pig leather used in the interior pockets may appear beige. Even if there are no wrinkles when using the product, the softer and more supple parts will absorb the oil, and wrinkles may form in the fiber direction that each piece of leather originally had. During the usage process, fibers and wrinkles may appear depending on the product, but this is also a characteristic of the soft AUTHEN leather, so we hope you will enjoy it as an aging change. ※ Because the expressions, colors, and fiber structures unique to genuine leather are different one by one, some may have wrinkles and some may not.