This banknote is a valuable collector's item due to its historical significance and rarity. The Blue Seal signifies a Silver Certificate, which was once redeemable for silver. Here's why it's a great buy:

### Description:
- **Historical Significance:** Represents an era when silver backed the US dollar.
- **Rare Collectible:** Limited production and age make it highly sought after.
- **Authenticity Guaranteed:** Comes with signatures of George M. Humphrey and Ivy Baker Priest.
- **Investment Potential:** Likely to appreciate over time.

### Historical Description:
- **1935 E Series:** Part of the last series of Silver Certificates before they were discontinued.
- **George M. Humphrey & Ivy Baker Priest:** Their signatures add historical authenticity.
- **Blue Seal:** Represents the silver backing of the US dollar.