The helmet is adorned on both sides with the stylized white lower case ny logo and features a gray facemask.
en.wikipedia.org Spelled with a lower case o, or "oberst", it is an adjective, meaning top, topmost, uppermost, highest, chief, head, first, principal, or supreme.
en.wikipedia.org Using the additional lower case letters a to h, the various sub-types within a class were distinguished.
en.wikipedia.org Sometimes only vowels are upper-case, at other times upper and lower case are alternated, but often it is just random.
en.wikipedia.org For example, she uses the lower case i in several stories to create a sense of loss and identity in the central characters.
en.wikipedia.org