1, the lettering is different: Ru kiln donation refers to the word "goodness" engraved on Ru kiln porcelain, and this word "goodness" refers to "good men believe in women", that is, people who believe in Buddhism. Ruyao Haoming style refers to the word "Haoming" engraved on Ruyao porcelain. This "Hao Ming" refers to Liu, an official of the Ming Dynasty. Liu was a famous writer and calligrapher in Ming Dynasty, and also a lover and collector of Ruyao porcelain.
2. Different uses: The Mingshan pattern of Ruyao is blue and white porcelain, which is mainly used for large utensils and daily utensils. Your kiln donations are basically religious supplies, small and meticulous shapes.