The ink stone carved from Songhua stone, the lid depicts two birds perched on flowering trees, the inkwell inscribed with poetry calligraphy, the stone is of greyish-green color tone.|||Length: 6 1/8 in (15.6 cm) Width: 4 in (10.2 cm)|松花硯|硯作長方，上下緣平齊，以松花石為質，色青碧，撫之溫潤而堅密，通體有深淺不同的綠色天然橫紋。雕刻花鳥，還有刻字，質地細膩，堅硬溫潤。硯面留一墨池，硯背平整，硯身打磨精細、光潔，較為難得。