In 1990, to celebrate the 90th Birthday of Queen Elizabeth The Queen Mother, The Royal Mint released a Limited Issue Queen Mother 90th Birthday £5 Five Pound Silver Proof Coin struck in solid .925 Sterling Silver Certified Slabbed and Graded by PCGS as PR70 DCAM.

The reverse designed by Leslie Durbin, portrays a cypher in the form of a letter "E" for Elizabeth in duplicate and interlaced, flanked by a rose and thistle.
The obverse design is a portrait of Queen Elizabeth II with the denomination "five pounds" designed by Raphael Maklouf.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.

• Limited Mintage of 56,102 Coins Worldwide
• Finished to Royal Mint's Proof Quality in Solid .925 Sterling Silver
• Celebrating the Queen Mothers 90th Birthday
• Certified Slabbed and Graded by PCGS as PR70 DCAM