This item is a collectible vintage porcelain plate made in Silesia, Germany, likely produced by the Hermann Ohme factory between 1900 and 1920. 

• Maker: The crown and stylized letter mark suggests production by Hermann Ohme. 

• Origin: Produced in the Silesia region, which was part of Germany at the time. 

• Features: These plates are often hand-painted with floral motifs and featured gold trim