I find there are only three portraits in your lists which we want: - Noa. 10 (Martin Folkes, 8/-), 23 (Earl of Arundel, 15/-), and 36 (John Gray, £1-1-0). If you will send these on approbation, I will return either the prints or the money.
Asst. Sec. R.S. [Assistant Secretary, Royal Society]'.