故宫博物院藏有一封伊秉绶致罗聘的行书信札,是伊秉绶和罗聘这两位书画史上重要人物的交往实证。信文如下:“节事窘迫,致毫毛之敬,今始送上。来扇一把,求梅花,务惠一枝,必得真笔。绶藏赝本多矣。三日走领谢,伊秉绶顿首,两峰先生左右。初六日,石林先生均候,又拜。谨空。伊秉绶。” The Palace Museum contains a collection of letters Yipin to Luo hiring letters, is Yabing Shou and Luo hiring these two paintings in the history of important figures in the exchange of evidence. The message is as follows: "Festivals distress, caused by the hair of the King respect, from the beginning to send .A fan to plum, Hui Hui a, must be true pen. Bing Shoudang, Mr. Liang Feng around the first six days, Mr. Shilin are waiting, thanks.