Joke certificate, found in wallet section of pocket book. Full text reads 'Promise to pay to Sir Rich.d Hillup and Sir Jonathan Crazy, Knts. or bearer, ten centiemes, when the honour of knighthood shall be no longer conferred on swindling city tradesmen, or, lottery insurers, but be the reward of real merit, true valour and learning, only. London, the 16th day of August 1810 for self, science, art and courage. Horatio Hardbattle.