The Shipping & handling:
Only buy 1 item
Please consult the description of the auction if you only buy 1 item.
Buy 2 items and above
Shipping and handling fee will be based on the highest item, and add different charge according to different kinds of item:
Add $0.10 per plus single set stamps.
Add $0.30 per plus a First Day Cover or a Folder.
Add $0.50 per plus a sheetlet/sheet(s).