Older airmail labels from Portugal. This is a full sheet of 40 labels.
Year: 1936, gummed.
POR-A-3
Older airmail labels from Greece. From a sheet. I'm unsure about how many labels would be on a full sheet.
Year: approx 1980, gummed.
GRC-A-12
Airmail labels from SAS (Scandinavian airlines). An airline from Denmark, Sweden, Norway.
These labels are from a booklet.
Year: approx 1952, gummed.
SWE-B-3
Sheet of priority labels from Åland. These are currently in use.
30 labels per sheet.
Year: Approx 2017, Self-adhesive.