Category

• Philately (4)
• Picture Postcards (1)

Country

• Greece / Ελλάδα (5)

Attribute

• Philately (Stamps) (4)
• Philately (Postal History) (2)
• Picture Postcards (publishers, photographers, printers) (1)

Historical

• 1935-1973 Kingdom of Greece (3)
• 1924-1935 Second Hellenic Republic (2)

Geographical

• Central Greece / Στερεά Ελλάδα (2)
• Macedonia / Μακεδονία (1)
• Peloponnese / Πελοπόννησος (1)

Topic

• Aviation (5)
• Architecture, Buildings (1)
• Military & War (1)
• Royalty (1)
• Trains & Railway (1)

Kind of Item(s)

• Postal Items (3)
• Stamps (any) (2)
• Image items (1)