The first step is to choose a frame that will properly fit and display your baseball card. Standard baseball cards are approximately 2.5 x 3.5 inches, so you’ll want a frame with an interior window or mat that size. Make sure the frame is made of a durable material like wood or plastic that won’t damage the card over time. Frame sizes for individual cards commonly range from 4×6 inches up to 8×10 inches or larger depending on the look you want to achieve.

Once you’ve selected a frame, you’ll need to carefully prepare the card for framing. Remove it from any existing sleeves, toploaders, or protective cases. Gently wipe the surface with a dry microfiber cloth to remove any fingerprints, dirt or dust. Inspect the card closely under bright light – any defects, tears, creases or stains may diminish its visual appeal when framed. You can also consider having the card professionally graded and slabbed by PSA or BGS if condition is a high priority.

To mat and position the card securely inside the frame, you’ll need acid-free foam-core board or mat board – not regular paper which can discolor over time. Use a utility knife to carefully cut a window in the exact size of the card plus a 1/4 inch border all around. Test the fit before gluing down the card. Craft stores sell dry mount tissue in sheets – cut a small piece larger than the card and adhere it to the back with wheat paste or matte adhesive. This will lift the card slightly off the matboard surface.

Position the card centered in the window cutout and use small strips of masking tape on the back edges to hold it securely but not touch the surface. Allow to dry completely before proceeding. Cut white or off-white neutral photo corners to secure the matted card layer inside the frame opening. Make sure all edges are flush.

The next step is to position the backing board. Measure and cut a piece of foamcore or matboard to sit flush against the inside walls of the frame. Attach it squarely behind the matted card layer using more photo corners. Check that everything is level before moving to the final framing step.

Now you’re ready to attach the frame backing and glass. The backing piece sits flush against the rear inside walls of the frame to support the glass. Quality framers use acid-free materials here to prevent damage over time. Place the glass centered over the opening, then secure the frame backing tightly against it with small brads inserted through pre-drilled holes.

Affix the frame’s outer trim piece around the edges, securing with tiny screws. Adjust as needed so all seams are flush and surfaces are smooth. Stand back and admire your beautifully framed baseball card! Consider a protective Plexiglas sheet over standard glass as well if displaying in a high traffic area. With the right materials and care, your framed card treasurer will stay beautifully preserved for generations.