1853 3c red on buff, unused entire stationery envelope, lightly soiled at left, still v.f., with 2007 PFC, cat. $850 (Cat No. U2) (Image)

Cat. $850, Est.US$250

1853 10c green, unused cut square, v.f., with 2007 Weiss certificate, cat. $400 (Cat No. U15) (Image)

Cat. $400, Est.US$150

1864-65 9c lemon, orange and 12c brown, three different unused cut squares, v.f., last one with 2001 PFC, cat. $775 (Cat No. U66-68) (Image)

Cat. $775, Est.US$250

1921 2c on 4c chocolate on white, four unused entires, flaps with full gum, v.f., each with 2019 Crowe certificate, cat. $3200 (Cat No. U462) (Image)

Cat. $3200, Est.US$700

1951 2c carmine rose on buff, revalued entire with "canceled" and green surcharge at left, v.f. (Undersander UX38Eb, $1,500) (Cat No. UX38) (Image)

Est.US$300

1952 6c on 5c carmine, unused entire envelope, v.f., with 2007 PFC, cat. $1250 (Cat No. UC23) (Image)

Cat. $1250, Est.US$500

1873 War, 6c vermilion on cream, entire overprinted "Specimen", v.f., with 2001 PFC (Cat No. UO38S) (Image)

Est.US$150

1875 War, 30c red on cream, full corner, 35x37mm, v.f., with 1989 APS certificate (catalogue value does not include premium for full corner) cat. $675 (Cat No. UO69) (Image)

Cat. $675, Est.US$250