1873 1r blue, used, margins all around, nice color, v.f., signed Engel (Ed.156, Euro 560) cat. $350 (Cat No. X2) (Image)

Cat. $350, Est.$250

1874 1r violet, unused with original gum, h.r., margins all around, good color, v.f., with 1977 EXFIMA certificate (Ed.158, Euro 415) cat. $325 (Cat No. X3) (Image)

Cat. $325, Est.$200

1874 1r violet, unused without gum, large margins and beautiful color, v.f., with 1977 EXFIMA certificate (Ed.158, Euro 415) cat. $325 (Cat No. X3) (Image)

Cat. $325, Est.$150

1874 1r violet, three used singles, each with a different postmark, margins all around, signed Roig, etc., with individual EXFIMA certificates, v.f. group (Ed.158, Euro 1,242) cat. $975 (Cat No. X3) (Image)

Cat. $975, Est.$500

1874 1r violet, three used singles, each with a different postmark, margins all around, signed Roig, etc., with individual COMEX or EXFIMA certificates (Ed.158, Euro 1,242) cat. $975 (Cat No. X3) (Image)

Cat. $975, Est.$500

1874 1r violet, three used singles, each with a different postmark, one with pen cancel "18", tied on piece, margins all around, creases or thin spots, signed Roig, etc., with individual EXFIMA certificates (Ed.158, Euro 1,242) cat. $975 (Cat No. X3) (Image)

Cat. $975, Est.$300

1874 1r violet, sheet margin block of four, each stamp pen canceled, additional large postal cancellation, faint thinning at top, otherwise v.f., rare block, signed Roig, with 1977 EXFIMA certificate (Ed.158, Euro 2,600) (Cat No. X3) (Image)

Est.$1,000

1874 1r violet, block of eight, each stamp pen canceled, folded between stamps at right and at bottom, scissor cut and middle bottom stamp defective, otherwise fine. A rare multiple (Ed.158, Euro 4,640, as block of four and two pairs) (Cat No. X3) (Image)

Est.$1,000