Looks like there's a "2" before the "5". Perhaps the serial is 25101. Does it have "Ernie Ball" on the headstock? If so it's an early 1987 Ernie Ball SR4 and will appear on the serial list finder as "025101".
Perhaps this:
Serial # 025101
Manufactured January 22nd, 1987
Model BASS STING WHITE MAPLE 2EQ