Question for vintage numismatic bibliophiles...

I have one of Charles Bushnell's 1858 originals with cloth hardcovers and it's ex: Library and has the dewey decimal adhered to the spine. A white label covered with scotch tape, below is a small piece of cobalt blue colored electrical type tape. The tape is only still adhering to the front and rear hardbound covers with minimal adhesion. The front inside cover does show extensive library usage, yet the exterior spine junk is bothersome to me... So should I attempt to gently remove or leave it as is?
To Err Is Human.... To Collect Err's Is Just Too Much Darn Tootin Fun!
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See http://www.doubledimes.com for a free online reference for US twenty-cent pieces
RMR: 'Wer, wenn ich schriee, hörte mich denn aus der Engel Ordnungen?'
CJ: 'No one!' [Ain't no angels in the coin biz]
<< <i>I agree with astrorat... let a conservator do the work... books are not like coins and are very unforgiving of mistakes. Cheers, RickO >>
This is one reason I don't collect rare books any more. Too hard to take care of them.
RMR: 'Wer, wenn ich schriee, hörte mich denn aus der Engel Ordnungen?'
CJ: 'No one!' [Ain't no angels in the coin biz]
Bushnell's 1858 "Arrangement..." has been accurately reprinted with the four plates.
The only real value in an original would be if the covers and contents were in near mint condition (doubtful) and the title page is printed in both black and red and has the portrait of Bushnell included.