Some easy tells here. The head is noticeably larger and lack fine definition but the most easily noticeable difference is at the bottom (pic3). Though these differences are easy sat next to originals l if you have nothing to compare to it will make it difficult to ID.
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The technical storage or access that is used exclusively for statistical purposes.The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.