Quality briefcases can also boost your professional image, attracting promotions and increasing work performance. Leather briefcases are versatile accessories suitable for formal settings and personal use. Therefore, they are a catch-all tool you can use as you see fit. In addition, vintage leather goods created by skilled craftsmen increase in value and can be sold for a substantial profit. Want to invest in an accessory that will bring a considerable ROI? Then, few items can be more suitable than a quality men's briefcase.