
What you’re looking at
The object in the photo is a C.S. Osborne Model 88, a specialty anvil designed for leatherworking, especially saddlery and heavy leather goods. It’s a purpose-built forming surface used by professionals who shape leather into clean curves and structured contours.
About C.S. Osborne
C.S. Osborne is known as a long-established maker of quality leather, upholstery, and industrial hand tools, with roots going back to 1826. Tools from Osborne are commonly used in trades where durability and repeatable results matter.
Why the Model 88 looks “unusual”
Unlike a flat metal anvil, the Model 88 has a curved working surface, which is the key feature that makes it valuable for leather crafts.
Key identifying features visible in the image
- Cast metal body with a heavy, block-like form
- Curved top surface for shaping and forming
- Raised marking/number consistent with a Model “88” designation
- Aged patina and rust typical of older shop tools
- Positioned on a towel and scale, highlighting its substantial weight
What it’s used for in leatherwork
Leatherworkers use anvils like this to support forming, shaping, and finishing tasks, including:
- Saddles
- Saddlebags
- Holsters
- Straps and harness parts
- Curved panels or molded leather components
Common workshop tasks (how it helps)
- Shaping and forming curves
The curved face supports leather while it’s being molded into smooth arcs and contours. - Helping maintain structure
When building items like saddles or bags, the tool provides a stable surface to keep shapes consistent. - Assisting with finishing work
It can be used as a firm backing surface during controlled hand-finishing steps (depending on the specific workflow and tools being used).
Why it matters
This is not random scrap metal. It’s a specialized trade tool made for a specific craft. Tools like the C.S. Osborne 88 are valued because they’re:
- Durable and heavy-duty
- Purpose-shaped for curved leather forms
- Useful for repeatable, professional-quality shaping
Practical notes if you own one
- Do not aggressively grind or reshape the working surface, as the curvature is the function.
- If cleaning, favor gentle methods (light brushing, controlled rust removal) to preserve the tool’s usable finish.
- Store it dry to limit further corrosion, especially if it will be used for fine leatherwork.
Bottom line
The “mystery object” is a C.S. Osborne Model 88 curved leatherworking anvil—a custom forming anvil used for making and shaping saddles, saddle bags, and other curved leather goods.