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  • 6 messages
  • January 15, 2026 22:02
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January 15, 2026 22:02
Because silver, like gold, has risen so sharply in value, the catalog is full of nonsensical values. For example, I see values of 10 euros for silver Canadian dollars, while the silver value alone is 30. Couldn't values be calculated from the silver value plus an additional component, so you could enter something like Bullion+5? This has the major advantage that you only need to update the silver price in a central location and no longer need to update the individual coins?
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Yaci
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  • 105 messages
  • January 18, 2026 17:00
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January 18, 2026 17:00
It would be nice if there was even a BV visible, because the prices of
silver/gold coins are very optimistic right now.
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  • Catalogue Moderator
  • Catalogue Moderator
  • 1,565 messages
  • January 19, 2026 09:25
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January 19, 2026 09:25
codiv
Nice idea, but probably not feasible due to the associated costs.

I'm confused. Are the indicated values too low, as codiv indicates, or too optimistic, as Yaci indicates?
Based on my experience with the stated values for other collecting areas, I'm inclined to believe Yaci.


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  • 6 messages
  • January 19, 2026 21:33
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January 19, 2026 21:33
Just do the math yourself: a Canadian dollar contains 18.66 grams of silver, a gram of silver is already worth over 2.6 euros. I don't really see the cost of my proposal. The price of a coin would then be weight*fineness*silver price+added value, depending on condition and rarity. The latter is now entered by users, just like before, while the former is generated directly by the computer. That added value could very well be zero; for example, with Juliana guilders, which already have a silver value of 12.5 euros, only the higher grades might actually have an added value.
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  • 6 messages
  • January 19, 2026 21:52
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January 19, 2026 21:52
Sorry, typo: Juliana guilders are now worth €12.20 in silver. Who would have thought this would ever happen? I'd say, quickly take your bags of guilders to the precious metal buyers.
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  • 11 messages
  • March 31, 2026 01:45
March 31, 2026 01:45
This is how I handle this in my personal spreadsheet: I use a melt price based on weight, content, and the spot price retrieved from a live feed. And I set a premium goal, which can be a percentage or an absolute amount. My selling price is then always the live melt price plus the premium goal.

For example, a beautiful ten-guilder coin is set at a 45% premium goal:
  • at spot price of €1.95/gram, the selling price is automatic.
    18 grams (net) x 1.95 (spot) x 1.45 (premium goal) = €50.90.
  • if spot later drops to €1.50/gram, the selling price is automatically
    18 grams (net) x 1.50 (spot) x 1.45 (premium goal) = €39.15.

An example with the premium goal set as the absolute amount at €15.80:
  • At spot price of €1.95/gram, the selling price is automatic.
    18 grams (net) x 1.95 (spot) + 15.80 (premium goal) = €50.90.
  • if spot later drops to €1.50/gram, the selling price is automatically
    18 grams (net) x 1.50 (spot) + 15.80 (premium goal) = €42.80

An example with the premium goal at 30% and an absolute €5.27:
  • At spot price of €1.95/gram, the selling price is automatic.
    18 grams (net) x 1.95 (spot) x 1.30 + 5.27 = €50.90.
  • if spot later drops to €1.50/gram, the selling price is automatically
    18 grams (net) x 1.50 (spot) x 1.30 + 5.27 = €40.37

And do you just want to set a fixed price?
Then set premium to -100% and absolute to the desired price.

(Oh, how convenient it would be if this MooiZilver method ™®©☺ were integrated into the shop, so I wouldn't have to periodically check all the prices manually. But anyway, the price of silver is so high right now that only 9 coins fit in my free subscription. So the manual work isn't too bad.)
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