Send a message to the person who requested a photo of the grave monument of Sarah Ann Crosbee/Hutton with the following comment:
A friend is in possession of a postcard sent in 1930 by John D. Crosbee to Eric Hutton Crosbee, his son. However, the Dictionary of Scottish Archtiects lists the latter's father as Walter Gould Crosbee and we are trying to check the exact nature of the familial relationship between Walter and Eric.