Diameter at the base 3 7/8. Note in assessing if a Beer Stein is an Antique. The majority of authentic German regimental beer steins were produced between about 1890 and 1914. The authentic steins usually will have a darker lid then the interior, because new steins have been treated to have a darker patina both inside and out. Another common design in new steins is the bump on the inside of the handle.
Also, most of the authentic porcelain regimental steins were not marked regarding being made in Germany. The item "Antique German Lithophane Beer Stein Soldier on Horse Dated 1891 -94" is in sale since Sunday, December 13, 2020. This item is in the category "Collectibles\Breweriana, Beer\Drinkware, Steins\Lidded Steins\Germany".
The seller is "greekgypsygal" and is located in Santa Rosa, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.