| Obverse description |
Central design features a large equilateral triangle subdivided into four smaller triangles, each containing a Royal Arch Masonic symbol: a crown at the top, an all-seeing eye at lower left, an open book at lower right, and a combined square-and-cross emblem at centre. The triangle is set within a beaded inner circle, with the circular legend flanked by two six-pointed stars. |
| Reverse description |
Central device depicts a Masonic keystone bearing the letters H, T, W, S, S, T, K, S arranged in a circular pattern around a central hub, flanked on either side by a carpenter's nail and a gavel in relief. The word ONE appears above the keystone and PENNY below, with the circular legend running around the border within a beaded inner circle. |