Watch List notes:

United States of America: Set with 18 MPC's comprising 2 x 5 and 10 Cents series 461 P.M1, M2 (F-), 5 and 25 Cents series 481 P.M22, M24 (F-), 5, 2 x 10, 25 and 2 x 50 Cents series 521 P.M29-M32 (F- to F+), 2 x 5, 10 and 25 Cents series 541 P.M36-M38 (F-, F), 5 and 10 Cents series 591 P.M43, M44 (F-), and 5 Cents series 641 P.M57 (F-) (18 pcs.)