21st Wedding Anniversary
There is no traditional gift associated with the twenty-first wedding anniversary as, after the 15th year, gifts tend to be specified only for every fifth anniversary.
That doesn’t mean you should expect to get out of buying a present though!
Modern Gift: Brass/ Nickel
A modern 21st wedding anniversary present is brass or nickel.
There are a lot of practical and decorative gifts that could be given made from either of these two metals, including tableware, household items, plaques, candle holders, coasters, vases and such like.
There is no flower associated with the 21st wedding anniversary.