Hello. 
The purpose of this swap is to exchange Unesco World Heritage Site Postcards.
- Send only Unesco World Heritage Site Postcards from the country you are shipping from. It means, if you are from U.S.A, the Unesco site MUST be in U.S.A 
- The card can be naked and stamped or inside an envelop. Ask you swap partner for his / her preference about this. 
- NO Tentative Unesco sites. Check this link to be sure of your choice: http://whc.unesco.org/en/list/ 
- The deadline for signing up to the swap will be about for 3 weeks. Why so long this period? The purpose is to gather as many people as possible in order to have a variety of countries / sites increased. 
- Ship out your card on time. If you have problems with this, just contact your swap partner. This is for kindness and politeness.. 
- No touchnotes or hand made 
- Swap partners will be choosen randomly.  
- No mininum grade required but profiles will be checked. 
- I gladly invite you to join my new swap: World Capital Cities of the World at http://www.swap-bot.com/swap/show/156655 
- If you have any question regarding to the swap, feel free to 
contact me.