5 pruta Government Revenue Proof, a mint never hinged bottom margin block of six, with red frame and blue green value, very fine and scarce. (Image)

Bale $ 4,800

Government Revenue Proof Set, with 11 different values from 5 pruta to 250 pruta, all with red frame with a green value, all in mint never hinged blocks of four, some with sheet margins. A rare complete set. (Image)

Bale $ 18,400

30 pruta Government Revenue Proof, a mint never hinged lower sheet margin block of four, with red frame and green value, very fine and scarce. (Image)

Bale $ 1,600

80 pruta Government Revenue Proof, a mint never hinged lower sheet margin block of four, with red frame and green value, very fine and scarce. (Image)

Bale $ 1,600

100 pruta Government Revenue Proof, a mint never hinged lower left corner plate block of four, with red frame and green value, very fine and scarce. (Image)

Bale $ 2,000

No Value Government Revenue Proof, a mint never hinged block of four, with red frame, very fine and scarce with only one sheet known. (Image)

Bale $ 3,200