1870 1c ultramarine, H. Grill, unused large part original gum, h.r., faintly grilled, nice color and well centered, fine, with 2019 PFC, cat. $2000 (Cat No. 134) (Image)

Cat. $2000, Est.$750

1870 2c red brown, I.Grill, unused without gum, short perf. at right and a tiny corner crease at top left, fine appearance, with 1952 (as 135) and 2019 Philatelic Foundation Certificates (Scott Specialized Catalogue elevated the I.Grills to major catalogue numbers beginning with the 2013 edition) cat. $2000 (Cat No. 135A) (Image)

Cat. $2000, Est.$500

1870 3c green, split H.Grill, unused with fresh original gum, minor h.r., wide margin at top, fine, with 2019 PFC, cat. $625 (Cat No. 136var) (Image)

Cat. $625, Est.$150

1870 6c carmine, I.Grill, unused with original gum, h.r., nice color, fine, with 1952 (as 137) and 2019 Philatelic Foundation Certificates (Scott Specialized Catalogue elevated the I.Grills to major catalogue numbers beginning with the 2013 edition. The 6c I.Grill is rare in original-gum condition) cat. $7000 (Cat No. 137A) (Image)

Cat. $7000, Est.$1,500

1870 10c brown, H Grill, vertical pair, top stamp large part original gum, disturbed due to a hinge remnant, bottom stamp l.h., nice color, fine-v.f. pair, with 2019 PFC, cat. $15500 (Cat No. 139) (Image)

Cat. $15500, Est.$5,000

1870 15c orange, H.Grill, unused (regummed), well centered, natural diagonal crease, fine appearance, with 1954 (clear) and 2019 Philatelic Foundation Certificates (catalogued as unused without gum), ex-Stone, cat. $2500 (Cat No. 141) (Image)

Cat. $2500, Est.$350

1870 90c carmine, H.Grill, unused with original gum, h.r., nice color and clearly defined grill, reperforated at left, otherwise fine, with 1952 and 2019 Philatelic Foundation Certificates, very rare H.Grill high value, ex-Huber, cat. $25000 (Cat No. 144) (Image)

Cat. $25000, Est.$3,500