Originals in this selection, Watercolor, Material Gouache, under 500 euro.
Two water-based paints in concert
Watercolor and gouache are close relatives: one lets light through, the other covers it. Anyone interested in watercolor paintings with gouache under 500 euro for sale will find sheets where both work together.
Many watercolorists use gouache for highlights and accents: white wave crests, pale blossoms, glints in the hair. The transparent part builds the surface, the opaque part delivers the punchline. The shift makes sheets look three-dimensional although only paint lies on paper.
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Frame, paper and price
Original works on paper are common in this price range and suit walls with several sheets. Acid-free paper matters, since it keeps the color from yellowing. You should also ask whether the sheet is mounted on board so that it does not buckle.
How to spot a mixed technique
You can tell gouache lies over watercolor when certain spots look opaque and matte while their surroundings stay transparent. In raking light, gouache often appears slightly raised. The description should name both types of paint, so you know what is on the sheet.