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KnauxBullion

Mixed Gold Coin & Bar Storage Case – 31 mm

Mixed Gold Coin & Bar Storage Case – 31 mm

Regular price £49.95 GBP
Regular price Sale price £49.95 GBP
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Mixed Gold Coin & Bar Storage Case – 31 mm

Precision-fit mixed storage for 31 mm gold coins and bullion bars
Designed to securely store 31 mm loose gold coins alongside standard blister-packed bullion bars, using a dedicated insert engineered to prevent movement or rattle.


Compatible Contents

Gold Coins

  • Loose gold coins only
  • Exact coin diameter: 31 mm
  • Precision-fit insert designed specifically for 31 mm coins
  • ❌ Capsules not supported

Designed for:

  • Canadian Gold Maple Leaf (30.0 mm)

✔ Correct tolerance
✔ No rattle
✔ No edge pressure


Bullion Bars

  • Standard blister-packed bullion bars
  • Approx. 5.5 cm × 8.5 cm (credit-card sized packaging)
  • Suitable for gold bars supplied in blister packs

✔ Coins and bars stored together
✔ Clean, organised mixed layout


Choose Your Case Size

This product is available in two case sizes.

Small Case

  • Up to 30 loose gold coins (31 mm)
  • Up to 15 blister-packed bullion bars
  • Compact and space-efficient
  • ❌ Capsules not supported

Large Case

  • Up to 120 loose gold coins (31 mm)
  • Up to 25 blister-packed bullion bars
  • Ideal for larger holdings
  • Increased internal depth and volume

Case Specifications

Small Case – Model 1710H

  • Internal: 166 × 100 × 69 mm
  • External: 184 × 132 × 77 mm
  • Material: ABS plastic
  • Wall thickness: 3 mm
  • Waterproof: Yes
  • Weight: ~0.2 kg

Large Case – Model 2519L

  • Internal: 251 × 180 × 96 mm
  • External: 275 × 235 × 107 mm
  • Material: Polypropylene (PP)
  • Wall thickness: 3.5 mm
  • Waterproof: Yes
  • Weight: ~0.8 kg

Storage Guidance

  • Designed for 31 mm loose gold coins only
  • Coins measuring 33 mm require a different mixed storage size
  • Not suitable for capsulated coins
  • Always select storage based on exact coin diameter

Refer to the Bullion Storage Size Guide if unsure.


Important Information

  • Storage case only — coins and bars not included
  • Images for demonstration purposes only
  • Designed for standard bullion formats and blister packaging
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