This variety is found on the fourth stamp of the second row of the five by two repeatable grid used to populate the plate.
Row 2 Position 14
Row 2 Position 19
Row 4 Position 34
Row 4 Position 39
Row 6 Position 54
Row 6 Position 59
Row 8 Position 74
Row 8 Position 79
Row 10 Position 94
Row 10 Position 99