A single 20 Euro banknote is observed resting on a light brown, wood-grain surface in Birkova, Bulgaria

A single 20 Euro banknote is observed resting on a light brown, wood-grain surface in Birkova, Bulgaria. The banknote, identified as a European Central Bank Series E, second series (Europa series) note due to the visible signature of Christine Lagarde, is partially unfolded and oriented diagonally across the frame from lower left to upper right. The large numeral "20" with a color-shifting effect is prominent in the foreground. Text "EURO" and "EYPΩ" are visible near the center. In the background, out of focus, a rectangular blue or purple package with indistinct text and a circular emblem is situated behind the banknote. To the far right, a white container with a green cap is partially visible. A light-colored, possibly fabric or woven material object is present on the far left, also out of focus. No individuals are present.