Author and origin unknown. It appears to be a relief carving or print. I apologize for my lack of expertise in art and prints. Please refer to information from other flea market sites, auctions, etc., where similar items are listed. For details, please refer to websites related to this product hosted by experts, antique specialists, or information from other sellers. I will package the item myself for shipping. I cannot be held responsible for any breakage of glass during delivery. I have sold several glass products before, and none have broken so far. However, this is at your own risk. Overall, I have rated it as having no noticeable dirt or damage. This is at your own risk. I do not have detailed information. I apologize, but I cannot answer any questions. This item is not eligible for discounts or price reductions. I will not respond to comments requesting discounts or price reductions. Thank you for your understanding. I have many images available, so please be sure to check them. To prevent any issues, please examine the images carefully and consider your purchase. Please refrain from purchasing if you are sensitive. Please be sure to read my profile before purchasing. I cannot provide any guarantees or compensation for not reading it. The above applies only to those who are willing to proceed under these conditions.