Category

• Advertising, Promotion & Propaganda (3)

Country

• Greece / Ελλάδα (3)

Attribute

• Philately (Other Stamps) (3)

Historical

• 1935-1973 Kingdom of Greece (3)
• War Periods & Military (1)

Geographical

• Central Greece / Στερεά Ελλάδα (2)

Topic

• Military & War (3)
• Birds (2)
• Education & Schools (1)
• Flags & National Emblems (1)
• Medicine (1)
• Religion, Churches (1)

Kind of Item(s)

• Advertising Items (3)
• Stamps (any) (3)