Sharply struck with shimmering mint luster and a very faint golden hue. The surfaces are outstanding for the grade with very few minor marks.

Sharply struck and virtually pristine.

Sharply struck and wonderfully original with rich frosty luster and subtle pastel hues.

Rich satiny white luster over nearly perfect surfaces.

Experimental. A scarce experimental A-B block that utilized distinctive paper with a special printing and finish. A beautiful note with strong color and a bright appearance.

Brilliant untoned surfaces and a sharp strike.

Beautifully preserved with satiny cream-white luster over very clean surfaces. Neptune’s face is sharper than often encountered. One of the ‘keys’ to a Commemorative type set.

Lustrous surfaces display smooth, satiny fields and vibrant golden-green toning with subtle iridescence. Well-struck with very few marks and superior eye appeal. An exceptional example of this scarce issue.

Outstanding for the grade with rich lustrous surfaces that are silver-white except for a tiny trace of color at the rim.