Raamgalerie De Prachtvink is a 24-hour gallery located in the Vinkhuizen shopping center in Groningen. It showcases art in a window display, allowing passersby to experience visual works at any time. The gallery features regular exhibitions, such as mail art and cut-paper works, from local and international artists. It provides a unique and accessible way to engage with contemporary art in a public space. For more information, visit their website.