I put the film in boiled water with baking soda and dried it with a hairdryer. I think the scratches are from the rewinding in the film canister.This photo was shot on film. Taken by brommi with a Porst compact-reflex loaded with Dm Paradies (35mm iso200) film in Hannover, Germany. These tags describe this photo: dm paradies (35mm iso200), germany, porst compact-reflex, boiled water, baking soda, verfärbung, discoloration, deutschland, hannover, city, innenstadt, scratches, and kratzer. This photo can also be found in the album #145 Porst c.-r. / Dm Paradies 200 / boiled water and baking soda.