1885 10c blue, used, near perfect centering, fresh color, with 2004 PFC and 2019 PSAG certificate, the latter graded "98" (SMQ $850) (Cat No. E1) (Image)

Est.US$500

1888 10c blue, n.h., well centered, v.f., with 1979 PFC, (Cat No. E2) (Image)

Est.US$300

1888 10c blue, large die proof, die sunk on card, reduced (91x81mm), v.f., (Cat No. E2P1) (Image)

Est.US$250

1894 10c blue, h.r., natural straight edge at left, fine, (Cat No. E4) (Image)

Est.US$200

1894 10c blue, bottom margin part imprint single, n.h., nicely centered, rich color, with 2020 PSAG certificate graded "80" (SMQ $2,150) (Cat No. E4) (Image)

Est.US$1,500

1902 10c ultramarine, n.h., fine, with photocopy of a 2016 PSE certificate for a block of six from which this originated, (Cat No. E6) (Image)

Est.US$150

1908 10c green, top sheet margin plate number block of six, n.h., well centered with wide margins, fresh and v.f., with 2021 PSAG certificate, (Cat No. E7) (Image)

Est.US$1,000

1914 10c blue, n.h., fresh and fine, with a photocopy of a 2021 PFC for a block of four from which this originated, (Cat No. E9a) (Image)

Est.US$250

1925 20c black, large die proof, die sunk on card, full size (202x152mm), with typed "Approved: April 10, 1925, Postmaster General" and signed "Harry S. Neu", Bureau blue "1326125" handstamp on reverse, minor card edge creases, v.f. and rare, ex-Markovits, (Cat No. E14P1) (Image)

Est.US$750