Club One Air - Aurora Diamante fountain pen is the world's most expensive pen. This is clearly one of those billionaire possessions, and no common man can come close to touching it!
Aurora Diamante – One of The Most Expensive Pens In The World - $1.47 Million.
Fountain Pen Handmade Diamond Cast Silver Radiance Body - Etsy
Yes, the Aurora Diamante fountain pen costs US$1.47 million – here's why, plus 3 more super-fancy writing pieces from Cartier, Montegrappa and Mont Blanc | South China Morning Post