Documents examination

2. 
 lines that indicates that the document was folded or
kept in a small container.
Fold and creases

3. 
 like that of a paper clip, stamp pads, and the like.
Impressions

4. 
 indications that some of the part of the documents
were cancelled.
Cancellation stamps

5. 
 by rubbing the surface of the paper resulting in the
reduction of the thickness of the paper.
Erasures

6. 
 to detect any chemical erasures.
Surface

7. 
 blots are used by forgers to hide a mark; smears are
a result of contact with other documents
Blots and smears

8. 
 trimming of the original document can be used to
eliminate an important part of the document.
Dimensions

9. 
 Perforations slight irregularities in tearing.
Perforations

10. 
 Stamp if examined , will sometimes reveal
unsymmetrical outline due to perforations.
Adhesive stamps

11. 
 used to hide deliberate acts of forgery.
 E.g. a hole for fastening a sheet together.
Holes and tears

12. 
 markings in the paper itself.
Wire marks and watermarks