The Queen Mother commemorative £20 note, 2000

This note celebrated the 100th birthday of Her Majesty Queen Elizabeth the Queen Mother, whose family had long banking connections with the Royal Bank of Scotland's Drummonds Bank.

Features included:

• portrait of the Queen Mother
• art nouveau patterns to reflect the style prevailing in the year of her birth
• laurel and thistle imagery, associated with royalty in Scotland
• cameo portrait of Her Majesty aged six
• an engraving of Glamis Castle, Her Majesty's childhood home in Tayside
• the date of the birthday issue, 4 August
• serial number beginning with the letters QETQM, standing for Queen Elizabeth the Queen Mother