Lupin: lost cat

My cat Lupin, the best boy, my sweet friend, is missing. I'm absolutely heartbroken. I need help, in particular from anyone in or around the Humboldt Park. Lupin is typically very friendly and loving and very curious but might be scared/hiding while he is outside. He's white with grey spots. He has an unusual pattern on him, especially the grey splotch on his nose - I am hoping this makes him more identifiable. He also has a thin grey tail with white on the tip of the tail. He was last seen Saturday 9/23 in Humboldt Park near Brown Brothers tattoo shop, down the street from California & Augusta. Reply to this post or message me with any information - I'm miserable without him. Thank you for reading.