The Sir David Kirch Collection of Skit Notes - Part Three
S.W.Fores No. 8, for Self, Silvertouch & Lovegold, 2 Pence, 1 August 1818, promising to pay 'the Right Honorable William Pittachio or Bearer, on the dissolution of his Great Paper Manufactory and the Circulation of Specie only', signed by Brass Hatepaper and George Pennypiece, with a vignette showing a George III penny, and labelled 'A Scarce British Coin', good very fine £100-£150
---
amusingly, this is both a protest about the increased use of paper money over gold and silver coinage, while being a note itself - a fact certainly not lost on its creators.