1934 Nazi Era Airmail Issue

They're beautiful! Good looking page layout too! I still need these too.

Great looking set!

As is common with German stamps of this period, there were two gum variations -- horizontally rippled and vertically rippled. Due to the means by which the rippling was applied, the rippling is usually still visible on used stamps despite the lack of gum.

The horizontally rippled varieties (Michel suffix "y") are rarer, and command a significant premium.