Folk copying and handwriting are not very good, and they are not very valuable. If you collect them, it will be less than 2000.
Good folk copying and handwriting can be slightly mentioned as a model of calligraphy, more than 10 thousand.
If it is copied by a celebrity, it will be valuable. Look at the popularity of this person, ranging from tens of thousands to tens of millions.
You should belong to the first category.