This is a vintage Japanese lusterware teapot and cup set with a floral pattern. 

The set features a distinct iridescent, metallic glaze known as lusterware, which gives the lower portion of the items a shiny, golden-brown appearance. 

It has hand-painted blue and orange flowers with green accents on a white background. 

The teapot has a traditional side handle (Yokode style), common in Japanese design. 

The items are likely made of porcelain or ceramic, a common material for such collectible tea sets. 

his is a backstamp for Chikaramachi china, which was produced in Japan, often associated with early Noritake. 

The text "Chikaramachi" and "MADE IN JAPAN" is visible. 

The mark features a graphic of a samurai helmet. 

Chikaramachi items are typically vintage, often dating from the early to mid-20th century (1920s-1940s). 

They are well-known for hand-painted details, lusterware glazes, and eggshell-thin bone china