Brochure dating

[Archivist]

I've just been having an exchange with Tony Griffiths regarding the Milk Float brochure. As it is undated, it could be said to be out of order at

https://archive.a7ca.org/collections/show-brochures/

That has just been updated to ensure Brochures are listed in date order. However, as with the Milk Float, there are a small number undated that come at the bottom of the list. What do peope think I should ascribe dates to these Brochures to get them in their rightful position? All other brochures have definite dating details printed. The brochures are:

https://www.archive.a7ca.org/wp-content/..._1476B.pdf - Brochure numbering might suggest 1937


https://www.archive.a7ca.org/wp-content/..._1576A.pdf - Brochure numbering might suggest 1938


https://www.archive.a7ca.org/wp-content/...R_1691.pdf - Brochure numbering might suggest 1938


https://www.archive.a7ca.org/wp-content/...BR_695.pdf - Brochure numbering might suggest 1929


https://www.archive.a7ca.org/wp-content/...R_784A.pdf - Brochure numbering might suggest 1931

I'd be grateful if anyone can spot any clues that might corroborate my suggested dates

Hugh