The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Silver Rolling Room. The Royal Mint
London. The Royal Mint Rolling Room. No 1
Gold Rolling Room. The Royal Mint
London. The Royal Mint. Silver Melting House
The Royal Mint. Silver Melting House
London. The Royal Mint. Telling Room
Weighing Room. The Royal Mint