1901 1c green and black, center inverted, small h.r., nice color, fresh and fine, with 2017 PSE certificate, cat. $12500 (Cat No. 294a) (Image)

Cat. $12500, Est.$7,000

1901 4c deep red brown and black, right margin single, n.h., fresh and v.f., with a photocopy of a 2016 PFC for a pair from which it originated, cat. $170 (Cat No. 296) (Image)

Cat. $170, Est.$200

1901 4c deep red brown and black, left margin block of six, bottom left stamp and selvage l.h., other five stamps n.h., fine-v.f., with 2018 PFC (catalogue value for singles) cat. $920 (Cat No. 296) (Image)

Cat. $920, Est.$150

1901 4c deep red brown and black, Center Inverted, clear "Specimen" overprint, h.r., small sealed tear, otherwise fine, with 2018 PFC (it has been reported that a total of 203 4c Inverts were released, both with and without the small "Specimen" overprint (it is not known how many were overprinted). Some examples, both with and without the overprint, were given away by Third Asst. Postmaster General Edwin C. Madden. When postal authorities learned of the practice, they destroyed 194 copies and put one pane of 100 into the official archives. At a later date, 97 of these were traded for rarities missing from the archives) cat. $11500 (Cat No. 296aS-E) (Image)

Cat. $11500, Est.$5,000

1901 10c yellow brown and black, n.h., well centered, v.f., with photocopy of a 2018 PFC for a strip of three from which it originated, cat. $300 (Cat No. 299) (Image)

Cat. $300, Est.$250

1901 10c yellow brown and black, n.h., well centered, with 2016 PFC graded "VF-XF 85" (SMQ $500) (Cat No. 299) (Image)

Est.$350

1901 10c yellow brown and black, vertical block of ten, n.h., bottom right stamp with short perf. otherwise fine, with 2019 PFC (catalogue value for singles) cat. $2400 (Cat No. 299) (Image)

Cat. $2400, Est.$350