Chinese Export Monogrammed Masonic Cup and Saucer

Chinese export porcelain cup and saucer, circa 1790.
 
Dimensions: 
            Cup:                Approximately 3⅜” diameter.
            Saucer:           Approximately 5½” diameter.
 
Decoration:  
The plate is edged with a gold band with blue diamonds.
 
Beneath that are fine intertwined ribbons.
 
The central portion is decorated with Masonic symbols.
 
At the center there is a badge with a monogram that appears to be “RPC”. 
 
The badge bears the motto “Amicus Alter Ego”, meaning “I am a friend of the other”. 
 
The badge is held by a ribbon and is draped with bands of foliage and husks.
 
The reverse is unmarked.
 
The cup’s exterior bears the monogram design on one side and a Masonic design on the other.
 
The interior is edged with the same gold band as the plate and the base is unmarked.
 
Condition: Flea bite on rim of cup; otherwise in excellent condition consistent with age and usage.