Literature Reference: Auspicious snow heralds a bountiful year, and spring arrives beyond the Hangu Pass. Source from an anonymous poem.
瑞: Auspicious fortune. Health, smooth progress, and all wishes fulfilled.
函: The term refers to a letter and its envelope.
Meaning: Auspicious as snow, heralding a prosperous year, and spring beyond the Hangu Pass symbolizes hope and beauty.