正面: Head with tiara right; ELIZABETH·II·DEI·GRA·REG·FID·DEF ·
Obverse Designer: Ian Rank-Broadley
背面: First steam locomotive of Trevithick's locomotive Penydarren within a cog wheel; 2004 R. TREVITHICK 1804 INVENTION-INDUSTRY-PROGRESS
Edge Inscription: decorative design intended to represent a railway track.