The Rolleiflex Old Standard K2 Model 622 is a medium-format twin-lens reflex (TLR) camera using 120 roll film, produced by Rollei in the 1930s. It sat in the pre-war Rolleiflex line as a working photographer's tool aimed at the 6×6 cm square format.

UK auction hammer prices for this model are thinly documented, with a recorded sale at £112 in 2023 — a wholesale saleroom result rather than a retail asking price. With only one data point in the sample, today's value for a comparable example is best read as broadly in line with that figure, though clean, fully working bodies typically sell for more than rougher ones, so condition will move what one is worth in either direction.