- - Postmark ads
- - Catches cavorting seals
- - seals a hiding-place near back-street
- - Catches performing seals
- - Marks of authenticity
- - Marks of distinction
- - Seals of approval
- - Official seals
- - Distinguishing marks
- - Document seals
- - Seals of official approval
- - Commemorative designs
- - Slogans stamped on mail.
- - Seals, as on letters.
- - Hallmarks
- - Stamps of approval
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