Plainbacks F50
De La Rue~1850-55

Ace Type A7 ('Old Frizzle', 1828-1862) *
Classification D4 (De La Rue's first double-ended **

* "Taxation on Playing-cards in England from 1711 to 1960", John Berry, IPCS Papers No. 3, Jan 2001.
** "The British playing card industry 1600-2000", Ken Lodge , Publ. K R Lodge, 2017.