Interior Property Photo: Wall-Mounted Document or Sign with 'FF' Marking

Evidence photograph showing an interior room space with white walls and neutral trim. On the right side of the image, mounted on the wall, is a white document or card bearing large black letters reading 'FF'. Below the letters appears to be a measurement grid or reference scale typical of forensic photography documentation. To the left is a doorway or window frame with white trim, and cream/beige colored curtains are visible. A doorknob with a brass or gold finish is visible at the bottom of the frame. The lighting is natural and the photograph appears to be taken as part of a systematic property or crime scene documentation process.