Questions about type of concrete to use and form build to replicate this column (for a mailbox) : r/Concrete
DIY Brick Mailbox - YouTube
VEVOR, 4"x4", Black Powder-Coated Fence Anchor, Q235 Steel, Surface Mount Base Plate for Mailbox Deck Supports Porch Railing Post Holders - - Amazon.com
Shop QUIKRETE Mailbox Project at Lowes.com
5 things to know about why P.O. want cluster mailboxes for new homes