Until its publication, collectors generally only collected by date.
Collecting new issues from the United Nations has fallen somewhat out of favor with those who call themselves "serious" collectors.
They're made to be collectibles, which means that real collectors don't collect them.
By and large, collectors of blues albums collect them for love, not money.
For example, a collector might collect only bimetallic coins.
He plans to set up auction sites that are organized to reflect the way collectors collect: by manufacturer.
The new Rêng then sent his vai collectors to collect tax.
The solar collectors uphill didn't collect enough power, and the storage capacity was tiny.
After spending $4 million, they concluded that collectors collect for the fascination of an object and for no other reason.
A collector collects the beam at the end of the tube.