Penny Post much needed reforms in the current postal system. On 10 January 1840, the Uniform Penny Post was established throughout the UK, facilitating the safe, speedy and cheap conveyance of letters, and from 6 May could be prepaid with the first postage stamp, known as the Penny Black. Elihu Burritt proposed that a fixed rate of one penny be established for all mail throughout the entire British Empire as a means of facilitating international interaction and international unity. This was known as the Ocean Penny Post. On Christmas Day, 1898, the Imperial Penny Post extended the rate throughout the British Empire
Take a penny, leave a penny purposely made container, perhaps with an advertisement or with text advising the customer to "take a penny, leave a penny". It is not uncommon to occasionally see nickels, dimes, and even quarters in a penny dish; a cashier short on pennies but nearing the end of their shift may swap one of the higher denomination coins for the equivalent number of pennies, especially if a large number of pennies are present in the dish. Take a penny, leave a penny Take a penny, leave a penny (sometimes Give a penny, take a penny, penny tray, or penny pool) refers to