Conductors Button Backmark Help

[artyfacts]

Conductors Button Backmark Help. Is this a Rare one?

Need help with this 9/16ths wide two piece conductors button back mark. It looks like, H. BROS & CO PHILA. There is a underscore under the letter A in PHILA. All I could think of was Horstmann. Any Ideas on the who, what where? Arty

 

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[artyfacts]

Is this a rare back mark? Arty

 

[TheCannonballGuy]

Artyfacts wrote:
> Need help with this 9/16ths wide two piece conductors button back mark.
> It looks like, H. BROS & CO PHILA.
> There is a underscore under the letter A in PHILA.

It is a Horstmann Brothers & Company backmark. The undescore below the A in "Phila" dates your button's manufacture to 1870-1893 (according the the book "American Military Button makers and Dealers; Their Backmarks & Dates" by William F. McGuinn & Bruce S. Bazelon).