The prequel series co-creator explains how there will be some “shared imagery” with the original show.
Story wise, it is the same catspaw dagger.
We apologize for the error.

Olivia Cooke’s Alicent Hightower holds a familiar-looking Valyrian steel dagger on ‘House of the Dragon.'.HBO Max
So the prop was redesigned with the same silhouette and a shorter length.
“That’s 200 years before the original show.
So there’s gonna be a ton of shared imagery.”
Condal applauds how eagle-eyedThronesfans have proved to be with theHouse of the Dragonmaterials already released.
(At the time of this interview, it was justthe first teaser.)
“It’s a technology that doesn’t exist anymore.
Their blades are not made anew,” he explains.
“So all the Valyrian steel is a fixed number of assets in the world.
So they’re going to take care of it.
The Iron Throne isfar more embellishedin this time period than we saw it inGame of Thrones.
Condal says there are also story reasons for that.
Learn of the Dragon, premiering on HBO this Aug. 21, inEW’s cover story.