How can I clean up my front door mail slot cover -

mail slot cover   Dan mail slot box

You could also web search vintage mail slot covers to look for something similar or an upgrade I have no business interest in any of these

Many mail slot designs feature a closing cover that lifts to slide the mail through then shuts to prevent the elements from getting inside your home  Get free shipping on qualified Cover Plate Mail Slots products or Buy Online Pick Up in Store today in the Hardware Department

slot sport I used a binder clip to clip outgoing mail to the front of the slot cover Otherwise drop it off in the blue mail boxes  Architectural Mailboxes MSS003AM Mail Slot Sleeve Accessory, Metal INR Cover with Flap, External dimentions 338mm x 78mm (Internal Aperture 279mm