Collecting
Start a collection with the caps you already have
Choose a small theme, make a simple record and leave room for surprises.
Bottlecaps
Author: blog-owner
History
The crown cork: an everyday invention worth a second look
The familiar crimped cap has a documented starting point in 1892.
Field notes
A useful photograph is part of the collection
A repeatable way to record lettering, condition and the underside of a cap.