When assayer Murphy evaluations vary greatly the miners decide to play a prank to prove a point. They break up a grindstone to take to Murph but are stunned when it contains silver but where it came from is a mystery.
| Name | Type | Role | |
|---|---|---|---|
| Ruth Woodman | Writer | ||
| Fran Bennett | Guest Star | ||
| Clark Howat | Guest Star | ||
| Harry Lauter | Guest Star | ||
| Stuart E. McGowan | Director |