拍品的状况可能存在极大差异，而由于其性质使然，拍品难以处于完美无瑕的状态。拍品均以拍卖时的状况出售。

1930-31: both with some corner creasing to preliminaries, 1930 with front pastedown detached and crease mark in front wrapper, 1931 with small abrasion mark to wrapper.
1932: edge tears to front wrapper.
1933-35: front wrappers strengthened at inner hinge.
1934: front wrapper slightly waterstained on verso.
1934: a little corner creasing at start, edge tears to back wrapper, rear pastedown detached, upper joints slightly rubbed.

Some original covers have a degree of soiling. In some volumes the rectangular rule on the covers is concealed on the inner side by the adjacent free endpaper.

The condition of lots sold can vary widely due to factors such as age, previous damage, restoration, repair, and wear and tear. The nature of the lots sold means that they will rarely be in perfect condition. Lots are sold in the condition they are in at the time of sale.