The Archive
Reporting, comparisons, and field notes — newest first.
storage-collecting-supplies
Not all digital microscopes resolve the tiny stamped letters that separate a common cob from a scarce attribution — here's how to match the right tool to the
·9 min read
Mark Sullivan
A practical field guide for intermediate collectors on using a jeweler's loupe to spot the telltale signs of genuine Spanish cob coins — and the red flags that
·9 min read
storage-collecting-supplies
Transporting rare coins — from a $300 cob escudo to a $50,000 shipwreck survivor — requires more than a zip-lock bag and optimism. Here is the gear, the math
·9 min read
storage-collecting-supplies
A practical inventory system for Spanish gold coin collectors — because a cob you can't document is a cob you can't sell, insure, or pass on at fair value.
·9 min read
storage-collecting-supplies
A practical guide for intermediate collectors on choosing home storage for Spanish gold coins — what fireproof safes and lock cases actually protect against
·8 min read
storage-collecting-supplies
The cheap plastic holder you grab at a coin show could silently destroy a raw cob worth hundreds of dollars. Here's how to choose the right flip, avoid PVC
·9 min read