170,x Norges Bank, specimen 500 kr 1991, serial number 0000000000, blue on multicolour underprint, value at centre, composer Edvard Grieg at left, reverse 19th century floral painting from Norwegian church, hole punched SPECIMEN twice diagonally, (Pick 44a for type - unlisted as specimen), About Uncirculated with only faint folds around upper edge, possibly from production, traces of mounting reverse edges, a rare high-denomination, no sales listed on Track & Price