You cast this spell on an object no more than 1 foot on a side, doubling the object's perceived value by adding illusory nourishes or polish to it, or reducing its perceived value by half with the help of illusory scratches, dents, and other unsightly features. Anyone examining the object can ascertain its true value with a successful Intelligence (Investigation) check against your spell save DC.
At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the maximum size of the object increases by 1 foot for each slot level above 1st.