One of an occasional series of photo essays of instructional signs in public, usually designed to encourage humorously Perfect Propriety. Etiquetteer admires the creativity!
In a Washington, DC, coffee shop.
In a Washington, DC, used bookstore.
Outside a well-known Provincetown used bookstore.
Seen in Ogunquit, Maine.
In a well-known gallery in Provincetown, Massachusetts.
In a shop in Provincetown, Massachusetts.