Britannia Stack
Britannia Stack
Track your silver collection — owned, missing, and value.
Track portfolio value, fill collection gaps, and explore Insights — ownership by year, collection, and rarity, plus a 90-day spot chart. No subscription.
Insights into your stack
Visual breakdowns of your stack — see how ownership spreads across years, collections, and rarity bands.
See what’s missing and finish the run
Browse each set broken down by bullion, proof, privy, and more. Easily track what you own, spot the gaps, and find missing coins to complete date runs.
Jump to sold eBay searches from any edition when you’re ready to complete your set.
Set your own premium values
Enter custom premiums for each coin to keep portfolio value accurate beyond melt — with quick links to recent eBay sold prices.
Track spot value of your stack against the last 90 days of silver prices, updated automatically each day.
Completely free
No subscription, no premium tier. Sign in with a magic link and start tracking your collection in minutes.