What calligraphy is an ordinary commemorative coin?

In 2009, seal script calligraphy with the main scene pattern of "He" on the back.

In 2009, the official script calligraphy with the main scene pattern of "He" on the back.

20 13 running script calligraphy with the word "he" on the back.

20 14 cursive calligraphy with the word "he" on the back.