I don't know anything about it. It looks to be a cherub on the top of the lid.
Around the the lid is "German". In the picture with the horse, down by the boot is the only marking I can find and it looks like a "WR" with an "O" under the under the boot. The item "Nice 9 Vintage German Pewter Lidded Beer Stein" is in sale since Sunday, January 24, 2021.
This item is in the category "Collectibles\Breweriana, Beer\Drinkware, Steins\Lidded Steins\Germany". The seller is "m-nut" and is located in Zanesville, Ohio. This item can be shipped to United States.