That would depend on many factors. I suppose this is a hard cover edition.
Is it leather-bound? Is the binding in good condition?
Are there markings inside the book?
Are there any loose or torn pages?
All of these, as well as other factors determine the actual value of the book.
You can further research it by checking antique and collectible book sites.
The value of a 1891 copy of Robert's Rules of Order can vary depending on its condition and rarity. Generally, a copy in good condition can be worth anywhere from $50 to $200. However, the true value would ultimately be determined by a book appraiser or rare book dealer.
John Hamilton Roberts was born in 1891.
Frank Crowther Roberts was born on 1891-06-02.
Gordon Roberts - ice hockey - was born on 1891-09-05.
Charles Henry Crompton-Roberts died on 1891-11-15.
Henry Roberts Symonds was born on June 25, 1891, in Chicago, Illinois, USA.
Kate Roberts, a Welsh author, was born on February 13, 1891. She is known for her significant contributions to Welsh literature, particularly for her novels and short stories focusing on the working-class people of Wales.
Kate Roberts was born on February 13, 1891.
Kate Roberts was born on February 13, 1891.
For 1891, the value is really determined by the mint mark. One with no mint mark is worth $22 to $30, depending on condition. An 1891-O is worth $22 to $90. The '91-S is $22 to $50. Then the more elusive '91-CC is worth at least $50 and as much as $200.
Jim Houghton - Australian rules footballer - was born on 1891-09-20.
The 1891 Indian Head Cent retails at $3.00-$7.00 for average circulated coins
1891 is a common date Morgan dollar with values for circulated coins at $17.00-$36.00