I'd put: Cracked Die - Sometimes, when a coin is struck with too much pressure or the die is old and worn, it starts to crack. When the coins are struck with cracked dies, their metal is forced into the cracks which makes little raised lines on the finished product. Siege Money- Siege (or obsidional) money was essentially created as a means of payment during a siege when normal sources of revenue ran out. Siege money comes in varied shapes and sizes.