1930 Standing Liberty Quarter 25¢ piece - 90% Silver
Graded by Littleton Coin Co. 
https://en.wikipedia.org/wiki/Littleton_Coin_Company

The 1930 25¢ is part of a series of Standing Liberty quarter coins struck from 1917-1930. This coin is made of 90% silver; 10% copper. 

Mint: Philadelphia
Mintage: 5,632,000
Obverse Designer: Hermon A. MacNeil
Reverse Designer: Hermon A. MacNeil
Composition: Silver
Fineness: 0.9
Weight: 6.25g
ASW: 0.1808oz
Melt Value: $4.93 (4/27/2024)
Diameter: 24.3mm
Edge: Reeded