Find the appropriate word from the following text for the given definitions.

(0) collection: A set of similar things that are kept together
(1) ........ Who or what a thing or person is
(2) ........ To value somebody or something

The history of Iran is full of creative artists, one of whom is Mahmoud Farshchian. His identity is known as a master of Persian painting. He was born in the city of Isfahan in Iran, a place that is famous for its art, artists and sociable people, and it was here where he started to learn art, painting and sculpting. Mr. Farshchian has a valuable collection of paintings. Many of his paintings are touching. We really appreciate.

what he has done for our art.