KNAUX BULLION

Size Guide

Choose the correct storage by measuring your coin diameter (loose) or capsule outer diameter (capsulated). We don’t use “up to” sizing, as it can cause movement or rattle.

Precision-fit inserts: choose by exact diameter.

Gold coin storage

Loose gold coins
Coin diameter Correct storage Notes
30.0 mm Gold Coin Storage Case – 31 mm Correct tolerance for Maple Leaf gold coins.
32–33 mm Gold Coin Storage Case – 33 mm Britannia, Eagle, Krugerrand, Kangaroo.
Loose coins only: loose gold cases are not intended for capsulated coins.
Capsulated gold coins
Capsule outer diameter Correct storage Notes
≈ 39–41 mm Gold Coin Storage Case – Capsule Compatible (41 mm) Capsules reduce capacity compared to loose coins.
Capsules only: select based on capsule outer diameter.

Gold mixed coin & bar storage

Coin diameter Correct storage Supported bars
30.0 mm Mixed Gold Coin & Bar Storage Case – 31 mm Standard blister-packed bars (≈ 5.5 × 8.5 cm)
32–33 mm Mixed Gold Coin & Bar Storage Case – 33 mm Standard blister-packed bars (≈ 5.5 × 8.5 cm)
Note: Mixed storage supports loose coins only. Capsules are not supported in mixed layouts.

Silver coin storage

Coin diameter Correct storage Notes
38 mm Silver Coin Storage Case – 38 mm Loose coins
39 mm Silver Coin Storage Case – 39 mm Loose coins
41 mm Silver Coin Storage Case – 41 mm Large case only
42 mm Silver Coin Storage Case – 42 mm Large case only
Capsulated silver coins
Capsule outer diameter Correct storage Notes
≈ 45 mm Silver Coin Storage Case – 46 mm (Capsule Compatible) Designed for silver coins in capsules (outer diameter ≈ 45 mm). Capacity reduced vs loose coins.
Capsules only: select based on capsule outer diameter.

Silver mixed coin & bar storage

Coin diameter Correct storage Supported bars
38 mm Mixed Silver Coin & Bar Storage Case – 38 mm Standard blister-packed bars (≈ 5.5 × 8.5 cm)
39 mm Mixed Silver Coin & Bar Storage Case – 39 mm Standard blister-packed bars (≈ 5.5 × 8.5 cm)
41 mm Mixed Silver Coin & Bar Storage Case – 41 mm Standard blister-packed bars (≈ 5.5 × 8.5 cm)
42 mm Mixed Silver Coin & Bar Storage Case – 42 mm Standard blister-packed bars (≈ 5.5 × 8.5 cm)
Note: Mixed storage supports loose coins only. Capsules are not supported in mixed layouts.

Bullion bar storage

Bar compatibility: standard blister-packed bullion bars (approx. 5.5 cm × 8.5 cm, credit-card sized packaging).

How to measure

Loose coins

  1. Measure the coin diameter edge-to-edge.
  2. Select the product with the matching mm size.
  3. Do not size up — precision fit is intentional.

Capsulated coins

  1. Measure the capsule outer diameter (OD).
  2. Select the matching capsule-compatible case.
  3. Capsules reduce capacity — expected.

Still unsure?

Send your coin/capsule details and we’ll point you to the correct case.

Contact us
Important: Storage case only — coins, capsules, and bars are not included.