This artwork has a perfectly lightfast but delicate surface. Therefore, it should never ever come into contact with water, humidity, rain. That is because gouache, despite the fixative on it, can be reactivated anytime and the painting would be damaged. Also, one should avoid touching the surafce as much as possbile - never rub or scratch it, or put anything dirty or greasy on it. Use a soft brush or feathers occasioanlly to get rid of any dust should collect on it, if you must. Do not place directly above a radiator or open fireplace as the board could warp if exposed to sudden differences in temperature. Finally, though this work is best shown without glass, art glass could be a good option if one wishes to ensure the work is perfecly protected for generations to come.