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.

CAC. Frosty white luster and a sharp strike with just a few very minor marks.

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.

Well struck with minimal marks and choice brilliant surfaces.

CAC. A nearly flawless example of this better date from the last year of the series. The strike is very sharp and blast white luster jumps off beautiful surfaces.

Blazing luster and a sharp strike with a touch of toning at the rim. The surfaces are exceptionally nice and nearly mark-free.

Sharply struck with vibrant luster and a trace of russet and gold toning. Outstanding quality!

Satiny white lustrous surfaces with a sharp strike and minimal marks.

Well struck and lustrous with minimal marks and flashy white surfaces displaying a tiny brush of faint toning.