Defender Silver Backing Boards 7" × 10 ½"

Built for Silver and Bronze Age Collectors. These aren’t just any boards — they’re made to preserve the classics. Defender Silver Comic Boards are crafted from heavy-duty 24pt acid-free board, buffered with calcium carbonate to help neutralize aging over time. Whether you're bagging up vintage silver age keys or protecting your bronze age runs, these boards are cut to size for a clean, secure fit.