1850 6 Cuartos black, Plate II, unused with part original gum, margins all around, fine, with 2019 Sismondo certificate (Ed.1A, Euro 610) cat. $650 (Cat No. 1a) (Image)

Cat. $650, Est.$200

1850 12c lilac, unused without gum, margins all around, rich color and beautiful impression, margins all around except just touching frame line at bottom left, faint bend (not creased), nevertheless v.f., pencil signed, with 2019 Sismondo certificate. A rare unused stamp (Ed. 2, Euro 3,375) cat. $2500 (Cat No. 2) (Image)

Cat. $2500, Est.$750

1850 5 Reales red, unused with gum, h.r., ample margins all around, close but clear at bottom, good color, horizontal crease at top, otherwise fine, signed Stolow, Kohler (Ed.3, Euro 3,570) cat. $2700 (Cat No. 3) (Image)

Cat. $2700, Est.$500

1850 6 Reales deep blue (intense blue), unused part original gum, ample margins all around, exceptionally rich color, fine, with 2010 COMEX and Sismondo certificates. An attractive stamp (Ed.4, cat. Euro 4,575) cat. $5850 (Cat No. 4a) (Image)

Cat. $5850, Est.$1,500

1850 10 Reales green, unused without gum, margins all around, rich color and wonderful impression, v.f. example of this extremely rare unused stamp, with 1976 COMEX certificate (Ed.5, Euro 6,300) cat. $5000 (Cat No. 5) (Image)

Cat. $5000, Est.$2,000

1851 6c black, unused without gum, margins all around, good color, signed Engel (Ed.6, Euro 375) cat. $375 (Cat No. 6) (Image)

Cat. $375, Est.$150

1851 12c lilac, unused without gum, fresh delicate color, margins all around, handstamped "A.Brun" just showing through at bottom, fine and very rare unused stamp (Ed.7, Euro 6,000) cat. $7500 (Cat No. 7) (Image)

Cat. $7500, Est.$1,500

1851 2 Reales red, unused without gum, margins all around, nice delicate color, v.f., signed Roger Calves, with 2014 COMEX certificate. A rarity from Spain (Ed.8, Euro 27,000) cat. $24000 (Cat No. 8) (Image)

Cat. $24000, Est.$7,500

1851 5 Reales rose carmine, unused part original gum, close but clear at top, slight horizontal crease at top margin, excellent color, fine and rare stamp, with 2019 Sismondo certificate (Ed.9a, Euro 3,375) cat. $4200 (Cat No. 9b) (Image)

Cat. $4200, Est.$1,000

1851 6r blue, unused with traces of original gum, cut close and touching frame lines on all four sides, nevertheless scarce unused, with 2019 Sismondo certificate (Ed.10, Euro 5,550) cat. $5250 (Cat No. 10) (Image)

Cat. $5250, Est.$500

1851 10 Reales green, unused with gum, margins all around, beautiful color, fresh and v.f., pencil signed, with 1976 and 1997 COMEX certificates (Ed.11, Euro 4,025) cat. $3750 (Cat No. 11) (Image)

Cat. $3750, Est.$1,500

1852 6 Cuartos rose, unused without gum, margins all around, nice color, fine, with 2019 Sismondo certificate (Ed.12, Euro 535) cat. $400 (Cat No. 12) (Image)

Cat. $400, Est.$150

1852 12c lilac, unused with gum, margins all around, beautiful color, fresh and v.f., with 1988 COMEX certificate (Ed.13, Euro 2,800) cat. $2600 (Cat No. 13) (Image)

Cat. $2600, Est.$1,000

1852 12c gray lilac, unused without gum, margins all around, minute pinhole, fresh and v.f., with 1987 Graus certificate (Ed.13b, Euro 2,800) cat. $3600 (Cat No. 13a) (Image)

Cat. $3600, Est.$1,000

1852 2 Reales pale red, unused without gum, margins all around, splendid color and impression, fresh and v.f., with 1988 Graus certificate ("ejemplar de gran calidad por sus buenos margenes, color intenso y buen estado de conservacion"). A magnificent example of this great rarity from Spain (Ed.14, Euro 22,600) cat. $16000 (Cat No. 14) (Image)

Cat. $16000, Est.$7,500

1852 5 Reales green, unused without gum, margins all around, fresh and v.f., signed Roger Calves, A. Brun, Roig, etc., with 2010 COMEX certificate (Ed.15, Euro 3,150) cat. $2950 (Cat No. 15a) (Image)

Cat. $2950, Est.$1,000

1852 6 Reales blue green, unused without gum, margins all around, good color and fresh, fine and very rare unused stamp, with 2019 Sismondo certificate (Ed.16, Euro 4,925) cat. $4600 (Cat No. 16) (Image)

Cat. $4600, Est.$1,000

1852 Arms of Madrid, 1 Cuarto bronze, unused without gum, narrow margins to just touching frame lines at top and bottom, good color, fine and rare unused stamp, with 2019 Sismondo certificate (Ed.22, Euro 3,525) cat. $2500 (Cat No. 17) (Image)

Cat. $2500, Est.$1,000

1853 Arms of Madrid, 3c bronze, unused with gum, small h.r., ample to large margins all around, good color, without the usual oxidation and discolorations, fresh and fine stamp, extremely difficult to find completely sound, signed Richter, etc., with 2013 COMEX certificate. A very rare unused stamp (Ed.23, Euro 20,400) (This Coat of Arms of Madrid issue was only valid for local-postage within the city of Madrid. Considered as one of the most impressive classic stamps of Spain) cat. $18000 (Cat No. 18) (Image)

Cat. $18000, Est.$5,000

1853 6 Cuartos carmine rose, unused with white transparent gum, ample margins to just touching at right, fresh and fine stamp, with 2019 Sismondo certificate (Ed.17a, Euro 610) cat. $750 (Cat No. 19) (Image)

Cat. $750, Est.$200

1853 6c rose red, thin paper, unused with gum, margins all around, fresh and v.f. stamp, with Behr certificate, cat. $675 (Cat No. 19c) (Image)

Cat. $675, Est.$250

1853 12c purple, unused without gum, margins all around, fresh, slight thinning as often, still v.f. and rare stamp, with 1979 EXFIMA certificate (Ed.18, Euro 2,950) cat. $2750 (Cat No. 20) (Image)

Cat. $2750, Est.$1,000

1853 2 Reales vermillion, unused with gum, small h.r., margins all around, good color, fine example of this rare unused stamp, with 2014 COMEX certificate (Ed.19, Euro 15,600) cat. $12000 (Cat No. 21) (Image)

Cat. $12000, Est.$5,000

1853 5 Reales green, unused without gum, narrow margins to just touching frame lines on three sides, vivid color, scarce unused stamp, with 2019 Sismondo certificate (Ed.20, Euro 3,200) cat. $2500 (Cat No. 22) (Image)

Cat. $2500, Est.$500

1853 6 Reales deep blue, unused without gum, margins all around, minute thin and some toning, otherwise fine appearing example of this rare stamp, signed Roig, with 1981 COMEX certificate (Ed.21, Euro 4,375) cat. $3700 (Cat No. 23) (Image)

Cat. $3700, Est.$500