The stamp shows the following .....

1. The O flaw (Stage 2)
2. A vertical guide line (close) in the top right corner square

     On stamps from the second state (after repair) .....

1. The O flaw is no longer present
2. The check letter D is faint.
3. The star in the top right corner is faint.
4. The vertical sections of the letters 'ONE PENNY', (especially the letters 'N'), appear thinned.