The difference between the school's collection certificate and the appraisal certificate is that the collection certificate is to prove that this item can be collected, and the appraisal certificate is to prove the authenticity of this item.

1. A collection certificate is an honorary certificate, which is an affirmation of someone or something; An appraisal certificate is a certificate issued by an appraisal bureau or an appraisal institution after appraising cultural relics, jewels, coins and other items.

2. The collection certificate can be used as a voucher for the collector to collect the item; The appraisal certificate can be used as proof that this article is genuine.