Related Clues:
- ___ of approval
- Imprinted disk affixed to a document
- Dollar bill feature
- ''Great'' place to see 20 Across
- Caulk creation
- Postage buy
- Good Housekeeping emblem
- Amtrak bullet train
- Animal found in loch as well as ocean
- Shut securely
- Notary need
- Appropriate star of "The Collector"
- Member of an elite force within the US Navy
- Official symbol
- It's often stuck in the corner