The fourth block has a non-repeatable variety row 2, column 2.
Two repeatable plate varieties appear side-by-side. The left variety has two small nicks in the lower left design column.
Fourth Block
Row 1, column 1
Row 3, column 1
Row 4, column 1
Fifth block
Row 2, column 1
and the right side variety has a deformed M of MORENO.
Fourth Block
Row 1, column 2
Row 3, column 2
Row 4, column 2
Fifth block
Row 2, column 1
The fifth block also has an additional repeatable variety row 1, column 4
and row 4, column 4.