I have a whitemetal medallion commemorating the opening of Crystal Palace in 1851. It's a bit grotty. Does anyone have an idea of how I should clean it without damaging.
Thanks...
Attention 10ClarenceSt I saw on one of your previous posts that your dad served on HMS Falmouth at the start of WW2. My dad was a Petty Officer Stoker on Falmouth from Sept 1937 till 1940 when he was...