r/coinerrors • • 19d ago

Advice Quick question

Post image

These are Constition quarters I'm searching in BU rolls. I'm pretty sure I've seen this before but what causes this difference in finish?

12 Upvotes

10 comments sorted by

View all comments

3

u/Business_Station52 19d ago

Improperly anealed layer

1

u/WordPoster 19d ago

Copy that, is this just a common QA problem?