Lot of 6 1950's Vintage Phillips 66, Agriculture Booklets, with Salesman Letter

Description

Vintage Phillips 66 Booklets. Condition is Used. Shipped with USPS First Class Package.
These are in good used condition. This came a set of 6.
2, 4, 5, 6
There are some doubles. one copy in each double as a stain, that bleeds inside of the book, a browning affect.
Basic minor creases, but nothing too bad, and rather well preserved for old paper. Smoke free.
Pages are nice.
Please view photos and please reach out if there are any questions with respect to a buying decision. Thank you.