I have not been able to identify maker. The item "Antique Dutch Silver Salt and Pepper Shakers Cobalt Insert Hallmarked" is in sale since Wednesday, October 24, 2018. This item is in the category "Antiques\Silver\Sterling Silver (.
925)\Salt & Pepper Shakers". The seller is "millbrookantiques" and is located in Baltimore, Maryland. This item can be shipped to United States, Canada, United Kingdom, China, Mexico, Germany, Japan, Brazil, France, Australia, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, Indonesia, Taiwan, South africa, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia.