1873 Agriculture-War, complete set of plate proofs on card, including both plum and rose shades for War Department, fine-v.f., cat. $1136 (Cat No. O1P-93P4) (Image)

Cat. $1136, Est.US$400

1873 Agriculture, 6c yellow, h.r., fine, with 2021 PSAG certificate, cat. $275 (Cat No. O4) (Image)

Cat. $275, Est.US$150

1873 State, $2 green and black, small h.r., well centered, v.f., with 2021 PFC, cat. $1800 (Cat No. O68) (Image)

Cat. $1800, Est.US$1,200

1873 State, $5 green and black, h.r., fine, with 1978 PFC, cat. $8000 (Cat No. O69) (Image)

Cat. $8000, Est.US$2,500

1873 State, $5 green and black, small part disturbed original gum, fine sound copy, with 2004 PSE certificate, cat. $8000 (Cat No. O69) (Image)

Cat. $8000, Est.US$2,500

1879 Agriculture, 3c yellow, n.h., bright color, fresh and fine, with 2016 PFC, cat. $1250 (Cat No. O95) (Image)

Cat. $1250, Est.US$200

1879 Agriculture, 3c yellow, n.h., fresh and fine, with a photocopy of a 2016 PFC for a pair from which this originated, cat. $1250 (Cat No. O95) (Image)

Cat. $1250, Est.US$250

1879 Treasury, 30c brown, part original gum, small thins, fine appearance, with 2020 PFC, cat. $2400 (Cat No. O112) (Image)

Cat. $2400, Est.US$400

1879 Treasury, 30c dark brown, part original gum, small thins and perforation faults at top, otherwise v.f., with 2014 PSAG certificate, cat. $2400 (Cat No. O112) (Image)

Cat. $2400, Est.US$400

1911 Postal Savings, $1 ultramarine, bottom margin single, n.h., v.f., with 2010 PFC for a pair from which this originated, cat. $450 (Cat No. O123) (Image)

Cat. $450, Est.US$350