@syedchand786 just made a post that is just a cut and paste of https://www.popphoto.com/rebirth-tintype-an-old-photographic-medium-is-revitalized from Popular Photography. Here is the link to the blog post: https://steemit.com/photography/@syedchand786/the-rebirth-of-tintype-an-old-photographic-medium-is-revitalized.