Ancient calligraphy characters: as shown in the figure, what font is it, and what characters are it? There are experts, you know?

A seal for heaven and love.

"Respect for Heaven and Love for People" comes from Saigō Takamori, the third master of the Meiji Restoration, who wrote the suicide note of Xixiang Weng Nan Zhou. "Heaven" is truth, and reasonable words are "respect for heaven". Everyone is his own compatriot, and caring for everyone with goodwill is "love". (Baidu Encyclopedia)

The big seal of love is written like this: