u/Busy-Independent-789

Hey everyone!
I am really hoping that someone can help me. I was visiting Poland last week and saw this cardigan. I loved it immediately, but I knew I likely couldn’t afford it, so I didn’t even ask the price. Instead, I snapped a picture since my mom loves knitting and crocheting clothes, and I was hoping that she could make something like this for me.
I sent her the picture, and she said that she has no idea how it was made. Do you think I could make something similar myself? What technique was used to make it? Maybe I could crochet something similar? But again, I don’t know where to find a pattern.
Any help or advice would be greatly appreciated! 🙏