Questions Surrounding the Manufacture of the Sheets Presented to the Participating Nations (New Korea Philatelic Research Notes)

Among the sheets presented to the participating nations issued between 1951 and 1952, there is a mixture of two types: those manufactured on the same printing plate together with the stamps arranged side by side, and those manufactured from a printing plate composed solely of the sheets without any stamps. The former takes the form of two panes of 4×5 stamps placed side by side, with four sheets arranged along the bottom [Figure 1]. The size of the pane is 660 mm horizontally and 330 mm vertically.

In the case of the second issue, the sheets were placed at the top, with the two panes of stamps arranged below them. In this case, it is understood that the two upper sheets were printed upside-down. The size of this pane is 330 mm horizontally and 580 mm vertically. All of these—including the third (new) Italian issue—are of the “vertical wave-perforation style” (縱走型, hereafter called the vertical wave type). Compared to the sheets in the “horizontal wave-perforation style” (橫走型, hereafter the horizontal wave type) which will be discussed later, the vertical wave type is understood to have a narrower space between the Statue of Liberty design and the dove design stamps.