Sticking birthday letters with coins, which is better, round or square?

Sticking a birthday letter on a round coin can give people a warm and harmonious feeling, because the circle represents completeness and infinity. Moreover, the round coins with birthday characters are smooth in lines and softer in vision, which can give people a comfortable visual experience. At the same time, pasting long words on round coins can better blend into the decorative environment and echo other round objects or decorative elements.

Sticking the word longevity on a square coin gives people a sense of steadiness and sureness, because the square represents stability and law. Moreover, the lines pasted on the square currency are clear and visually concise, which can give people a neat feeling. In addition, the square coin with the word "Shouzi" can better contrast with other square objects or decorative elements, creating a visual layering.