Fake or counterfeit T66 $50 Confederate note?

[hartwise-migration]

I recently found a T66 1864 $50 confederate note which certainly appears to be real on the front. It is serial # 9391 and is a YA version. The back looks real as well except for the text which is typed vertically over the blue FIFTY. It says:

 

LINES

Written on the back of a Confederate Note, by Major S. A. Jonas of Aberdeen, Mississippi

 

Representing nothing on God's earth now,

And naught in the water below it---

As the pledge of a nation that's dead and gone,

Keep it dear friend and show it.

 

There are seven more verses so I won't type out the rest. I haven't been able to find any references to this or any other writings on the back of any of these bills and I was wondering if anyone knows if this is a fake, counterfeit, or what. Any info would be much appreciated.

[Syngraphic]

It is most likely real and worth a bit more than a note without the poem.

Have bought and sold many of these over the years.

[hartwise-migration]

Thank you very much Syngraphic. I appreciate the information.

[BankNote1]

Many real CSA notes have been overprinted with this poem as well as all kinds of advertising etc.