Set of four wall-mounted palm tree holders - Brass - 1850-1900

The objects in the image appear to be four metal palm holders, probably brass or bronze, of different sizes.
These objects are often used as decorations for altars or churches.
They are designed to support palm branches or other floral decorations.
The examples shown show signs of wear and patina, indicating that they are likely antique or vintage items.
Similar items have been identified at auctions as 19th-century artifacts.
The measurements are of the tallest palm holder