What does Dagger look like on Samsung?

On Samsung it is the design shipped in One UI 8.5, shown above at full size. Older revisions are listed beneath it.

When did Samsung add Dagger?

Samsung first drew Dagger in Touchwiz 6.0, released March 7, 2016.

Samsung Electronics has shipped 24 versions of Dagger. Each is dated, so you can see when the design changed.

Samsung Touchwiz 7.0

Samsung shipped a new design for Dagger in Touchwiz 7.0, released August 18, 2016. The previous design is shown beside it.

✳ marks a release that redrew this emoji. The rest re-shipped the design unchanged.

What does Dagger look like on Samsung?: On Samsung it is the design shipped in One UI 8.5, shown above at full size. Older revisions are listed beneath it.
When did Samsung add Dagger?: Samsung first drew Dagger in Touchwiz 6.0, released March 7, 2016.
How many times has Samsung redrawn Dagger?: Samsung Electronics has shipped 24 versions of Dagger. Each is dated, so you can see when the design changed.