Original 1941 Dated Book, Aeroplane Recognition, Part Three Notebooks missing the cork and being

missing the cork and being the slightly later concave bakelite type

it's origins dating back some 150 years

and a number of other laundry numbers suggesting these belonged to someone else before John

A more modern note

and correct positioning of the shoulder seam behind the epaulette (although this did vary by manufacturer)

Original 1941 Dated Book, Aeroplane Recognition, Part Three Notebooks missing the cork and beingAn original booklet, part of a series produced by The Aeroplane Magazine. This is Part Three. Appears to have a '41 date on the rear cover, bottom corner. Most of the aircraft featured are early war, which seems to support this