https://catalog.archives.gov/search?q=“grant of arms”&tabType=image#.WQTGdet2ajg.link
I’ve been trying to follow the link you posted, but haven’t had any luck. What is the image that you found?
Try clicking on https://catalog.archives.gov
...then search for “grants of arms”
...then click on the “images” tab
...here are some direct links if that doesn’t work:
Wow, those are really nice. Thanks for posting those links.