Dollar, Yen, Pound, Euro, Schilling, Riyal, Dinar, Ruble, Krona, Rand, Taka, Rupiah, Rupee, Franc, Baht, Ringgit, Dong, Schlong....theirs is Naira (N, Nigerian Naira, NGN).
A 1/100 Naira is called Kobo, but I haven't seen it myself except in websites. You can google it, but for the sake of this posting...I will only show you the denomination which is generally very much in used.
Naira was introduced on January 1st, 1973 and over the years, some of the denomination remain and of course the design changed too. Currently, they have notes for N5, N20, N50, N100, N200, N500 and N1000. In the Central Bank of Nigeria's website mentioned about N10, but I don't have it.
On XE Currency App, which I use daily just to take a peek how's Malaysian Ringgit fares against the USD, Sing Dollar and Euro. So, according the app:
USD 1 = N 199
RM 1 = N 48
N 1 = RM 0.02
Five Naira (N5)