Related Clues:

• Item sold in rolls of 100
• Passport mark
• Snail mail need, often
• 1/500 ream
• One's in bed with female from another planet?
• Philatelist's buy
• First day cover feature
• Ambassador seen in group in paper
• Unit of rain or ice
• Characters from achieves he etched laid out on bed
• Thing canceled at a post office
• One of 500 in a ream
• ... sons stop press
• Item in a book, roll or pane
• Large, shallow pan