1. Revelation 7:3 (ESV)
  2. Exposition

What would the seal have looked like?

Revelation 7:3 (ESV)

3 saying, “Do not harm the earth or the sea or the trees, until we have sealed the servants of our God on their foreheads.”

We receive no indication of what this mark looked like—and that is to say that we do not need to know. To equate this mark with the holy baptism is not only speculation but also simply wrong because the water of baptism leaves no visible mark.