IKEA Tuffing loft bed frame (https://www.ikea.com/us/en/p/tuffing-loft-bed-frame-dark-gray-30299447/). Used for a few years but no longer need it - is in near perfect condition with only some minor scratches on the metal frame from when we assembled it.
It is currently disassembled, but willing to help with assembly at-location depending on time and location. Even disassembled, some of the bars are long - I strongly recommend coming to pick up with a van, truck, or a particularly long car with fold-down back seats.