Related Clues:
- 98-Down train
- Speedy Amtrak train
- Thirty-nine-center
- Make impressions
- Metroliner's successor
- Philately specimen
- OK, in a way
- Visa feature
- Penny Black was the first one
- Post office purchase
- Some vegans won't lick it
- Abolish (with ''out'')
- Collectible that displays its original value
- East Coast bullet train
- Speedy Washington-Boston connection