R. Holder men's razor, Best Hollow Ground model, made in Solingen, Germany. R. Holder (R. HOLDER) This may be part of a trademark found on antique blades made in Solingen. The inscription "R. HOLDER SOLINGEN GERMANY" has been confirmed on a vintage straight razor made in Solingen, Germany. - Brand: R. Holder - Country of Manufacture: Germany - Type: Men's razor This is a very old item that my grandfather obtained overseas before World War II. Please consider the photos as it is quite old. Thank you for looking.