The Nepalese two-hundred-fifty-rupee banknote (रु 250) was a special commemorative denomination of the Nepalese rupee, first issued in 1997. It was released to mark the Silver Jubilee (25 years) of King Birendra's coronation and was circulated in limited quantities throughout Nepal.
As a commemorative banknote, the रु.250 was not intended for long-term circulation and remains a notable collectible in Nepal's currency history.
References
Further reading Agrawal (Giriya), Shyam and Gyawali, Kamal Prasad: Notes and Coins of Nepal. Nepal Rastra Bank Golden Jubilee Year 2005/06, Kathmandu, 2006.
Jha, Hari Jaya: An Overview of Nepalese Paper Money. Manjeeta Jha, Lalitpur (Patan), B.S. 2058 (= A.D. 2001).
Shrestha, Ramesh: Nepalese Coins & Bank Notes (1911 to 1955). Kazi Mudhusudan Raj Bhandary, Kathmandu, 2007. Wittmann, Hans: Die Banknoten des Königreichs Nepal. Unpublished, Wiesbaden, 2002.