From Adolf Anderssen's book "Aufgaben fur Schachspieler," second edition in 1852.
1.Kb1!
Bh5
Only after the black bishop closes the black rook, white comes up with a brilliant finale.
2.Rg6!!
Bxg6+
[2...Be2
3.Nf7#
; 2...Rh6
3.Bxg7#
(3.Rxh6#
) ; 2...Nf5
3.Rg8#
]
3.Nxg6#
*