Good (G): $10 - $20
Very Good (VG): $25 - $35
Fine (F): $40 - $45
Very Fine (VF): $65 - $80
Extremely Fine (EF): $125 - $180
Uncirculated (UNC): $200+
Please note that these values are estimates and can fluctuate based on market conditions and individual coin characteristics. To determine the exact value of an 1899 Barber quarter, it is recommended to have it authenticated and graded by a professional numismatic service.