A document or piece of evidence that establishes the authenticity or accuracy of something.
A metal or glass plate used in printing or as a reference in the printing process.
प्रमाण पत्र
English Usage: The artist used a proof plate to create an exact replica of his work.
Hindi Usage: कलाकार ने अपने काम की सटीक प्रति बनाने के लिए प्रमाण पत्र का उपयोग किया।