Consider the following statements: 1. Samudra Gupta's ‘Vyagrasahili’ postures reveal his conquest of the West. 2. The coins of the Ashoka era give us information about his ‘governance system’. 3. On one of the seals of Satavahana King Shatakarni, a picture of a ‘ship’ is engraved, which is a symbol of his victory over the sea. 4. Information about Ashvamedha Yagya is found in the coins of Kumaragupta's ‘Ashvamedha style’. How many of the statements given above are correct?