20 grana plate 1 sheet corner block of four with original gum including the "" watermark. This is the unique block widely acknowledged as one of Naples greatest rarities and noted in Emilio Diena's monograph on Naples issues.

20 grana lilac rose, plate one, showing complete double printing and full original gum. The only known example of this great rarity, already mentioned and described in the classic work of Emilio Diena regarding the stamps of the Kingdom of Naples- (ex. Ferrari and Rothschild collection).

The most famous rarity of the Duchy of Parma is the tete-beche of the 15c. We know for certain it is from the cliche error on stamp no.9 of the lower left quadrant of the sheet thanks to the existence of this amazing almost complete sheet - considered by many, the most important item of Parma. A top Italian States rarity.

The inverted frame around the 1865 12 cents stamp is one of the great and rare classic errors much sought after by philatelists. Few if any known today surviving on cover this item addressed to Paris from Madrid is franked with a single, a pair and a block of six of the 12 cents stamp. The top left position of the block shows the famous error. The 108 cents paid for a nine times rate covering a weight of 36 "adarmes". A spectacular franking especially enhanced with the rare error.

This cover from 1785 bears the Fleur de Lys postage paid (Du Fort Louis du Rhin). There are only two examples recorded.