Watch List notes:

Egypt 19.5.1951 P-23d PMG Graded 10 Pounds (Consecutive Pair)

Egypt 19.5.1951 P-23d PMG Very Fine 20 10 Pounds

Egypt 19.5.1951 P-23d PMG Choice Fine 15 NET 10 Pounds

PMG mentions "Stains lightened"; "Tape repairs, stains".