This uncirculated 50 Sri Lankan rupee banknote is a standard circulation banknote issued by the Central Bank of Sri Lanka in 2021. It is a blue and green banknote that is dated 15 November 2021, bears the signature of Ajith Nivard Cabraal, and measures 133 mm x 67 mm. Its obverse side shows a Blue Oakleaf butterfly (Kallima philarcus), the ancient stone arch railway bridge, an old steel bridge, a new concrete automobile bridge, and the Sri Lanka dull blue flycatcher bird (Eumyias sordida). Its reverse side is vertically oriented and depicts a Yakbera drummer and Vadiga Patuna dancer, a stylized liya vela flower motif, and a muragala (guard stone) with a punkalasa (pot of plenty). Security features include a solid security thread with printed CBSL RS 50 and a watermark of a flycatcher bird with an electrotype 50 and Cornerstones. The details of this note have been verified and TAP Authenticated by Banknote World experts.