Gladstone collar

plural Gladstone collars

1. A standing collar with the points pressed to stick out horizontally at the side-fronts, worn with a scarf or ascot tie.

   Mr. Audley, the chairman, was an amiable, elderly man who still wore Gladstone collars; he was a kind of symbol of all that phantasmal and yet fixed society.

   1910 October 1, G[ilbert] K[eith] Chesterton, “The Queer Feet”, in The Innocence of Father Brown, London; New York, N.Y.: Cassell and Company, published 1911, →OCLC, page 80

   1 more example

   Jasper scrambled to unlock the bottom drawer of the bureau, yank it open, take out a wrinkled shiny suit of black, a pair of black shoes, a small black bow tie, a Gladstone collar, a white shirt with starched bosom, […]

   1918, Sinclair Lewis, The Willow Walk