Top: Check for $90,000
Bottom: IR/IRL examination reveals the “0” after the “9” and the TY” in “NINETY” were added to the amount using a different pen
Top: Obliterated text Bottom: Text revealed using IR/IRL filters
Top: “0” appears on top of opaque fluid Bottom: Non-destructive technique reveals a “2” is under the opaque fluid
Association of a typed document to a carbon ribbon as a result of agreement in typographical errors
Lower left corner of page missing from sheet of paper
Fracture match to a Memo notebook due to association of a torn piece of paper matching the fracture pattern of #4
Left: Rubber stamp die contains damage to the letters
Right: Rubber stamp impression associated to stamp die due to agreement in the damage to letters
Watermark comparison
Defect in metal die cast appears in the die of the “O”
Original writing on a sheet of paper
Recovered indented writing of text on #9 on a separate sheet of paper
Top: Text Signature - Bottom: Stylized Signature