1873 Interior, 1c vermilion, n.h., v.f., with 2019 PFC for a block of eight from which it originated, cat. $170 (Cat No. O15) (Image)

Cat. $170, Est.$200

1873 Post Office, 6c black, block of four, n.h., bottom stamps creased, otherwise v.f. (catalogue value for singles) cat. $300 (Cat No. O50) (Image)

Cat. $300, Est.$100

1875 Post Office, 12c black, overprinted Specimen in red, without gum as issued, fine, only 93 sold, with 2015 PSE certificate, cat. $1600 (Cat No. O52S) (Image)

Cat. $1600, Est.$1,000

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

Cat. $1250, Est.$500

1879 Treasury, 90c brown, unused (regummed), small faults, fine appearance, with 2001 PFC, cat. $3250 (Cat No. O113) (Image)

Cat. $3250, Est.$400