10 most expensive postage stamps

10. Adam Envelope

• price: $1,564,630
• date: 1847
• country: Mauritius
• sales year: 1997

9. Xiphopagus Triplet

• price: $1,900,000
• date: 1843
• country: Brazil
• sales year: 2008

8. Rush 1847 Cover

• price: $1,900,000
• date: 1847
• country: United States
• sales year: 2006

7. Sicily 1/2 grano blue „error of colour”

• price: $2,190,000
• date: 1859
• country: The Kingdom of Both Sicily
• sales year: 2011

6. Treskilling Yellow

• price: $2,300,000
• date: 1855
• country: Sweden
• sales year: 1996

5. Z Grill

• price: $2,970,000
• date: 1868
• country: United States
• sales year: 2005

4. Mauritius 2d blue (XXII) and Mauritius 1d red

• price: $4,000,000
• date: 1847
• country: Mauritius
• sales year: 1993

3. Inverted Jenny

• price: $4,800,000
• date: 1918
• country: United States
• sales year: 2014

2. British Guiana 1c magenta

• price: $9,480,000
• date: 1856
• country: Guiana
• sales year: 2014

1. Red Revenue and 25 5-candarin Large Dragon

• price: $17,400,000
• date: 1878
• country: China
• sales year: 2009