Green’s Dictionary of Slang

a silk handkerchief with a bird’s-eye pattern.

1823		Observer 26 May 2: His bird’s eye blue fogle round his neck.
1828		N.-Y. Enquirer 15 Apr. 2/4: His birdseye fogle was tied to the rails by Col. Brim-Stone, his second.
1843		R.S. Surtees Handley Cross (1854) 364: This be him, with the bird’s-eye fogle round his squeeze.
1846		Bell’s Life in Sydney 14 Feb. 2/5: The waist of the former [fighter] was adorned with a bird's eye fogle, whilst the old un presented a spotted green wipe.
1857		Bell’s Life in Sydney 17 Oct. 3/3: Their colors were tied to the chin, a bird’s eye fogle being the characteristic of Maria.
1867		Mark Lemon Golden Fetters II 16: The substitution of ‘a bird’s-eye fogle’ for his customary long black satin stock.
1876		‘Some Road Slang Terms’ in Malet Annals of the Road 395: 4. Of Coachmen A little of the spot about the neck...Having on a bird’s-eye fogle.
1900		G.R. Sims In London’s Heart 83: A sturdily built man of forty, in a pilot jacket and peaked cap, with a blue bird’s-eye ‘fogle’ round his throat.