China (as in porcelain) is the traditional gift for the twentieth anniversary.
A expensive diamond ringg
Paper.
Wood is traditionally the 5th Wedding Anniversary, but in the modern symbols it is the 6th anniversary that is wood.
As far as wedding aniverseries go, they end at the 60th year known as The Diamond Wedding Anniversary.
leather
furniture
paper
porcelain
bronze
furniture
The third wedding anniversary is traditionally associated with the gift of leather. It symbolizes durability and strength in a relationship. Modern interpretations also suggest that a crystal or glass gift can be given to represent the clarity and beauty of the couple's bond.
sculpture
orchids