Would you lock away money for 55 years?
Would you lock your money up for 55 years in order to beat inflation?
The Treasury thinks enough investors would - and is set to issue a 55 year gilt which investors can buy on the bond market.
It would effectively lend money over 55 years in exchange for a modest rate of interest.
Jeremy Le Sueur is Investment Director and founder of Shires Asset Management.
He told BBC Radio 5 live's Wake Up to Money, "It makes sense for the Treasury, but if you're a buyer of bonds and government bonds at the moment there's a lot of volatility in the market... so the price could fall quite a lot."