Complex sentence: In 1990 a smaller version weighing 3.25 grams and with a diameter of 18.00 millimetres was introduced, and all the older 5p and shilling coins were withdrawn from circulation and demonetised from 1 January 1991.
Split into simpler sentences: In 1990 a smaller version weighing 3.25 grams and with a diameter of 18.00 millimetres was introduced. All the older 5p and shilling coins were withdrawn from circulation and demonetised from 1 January 1991.