A man clearing his garden for a new terrace found Denmark's largest Viking Age silver hoard after about half an hour of digging — nearly 18.5 kilograms of silver included bars, bracelets, coins and a tiny Thor's hammer

Half an hour into a fairly miserable job, a garden fork in northern Denmark hit something that made the wrong noise.

A homeowner in Rebild, in northern Jutland, had set aside a couple of hours to clear stubborn grass, stones and gravel for a new tiled terrace. He assumed he had struck old iron or fence wire, plus a few bits of broken pot. Then he started digging with his hands and kept hauling metal up out of the dirt. Jewellery, then coins, then bars.

What was sitting under his lawn came to 18.5 kilograms of Viking Age silver, around 700 objects and fragments, which Nordjyske Museer has confirmed as the largest known silver hoard from the period ever found in Denmark. Nearly three times the size of the previous record holder, the Terslev hoard, at roughly 6.5 kilos.

What was in the pot

About 320 pieces weighing 6.4 kilos were still sitting in the clay vessel they had been buried in, sometime in the 900s. Everything else had worked its way into the surrounding soil.

Inside and around that pot: a great many silver bars, bracelets, 47 whole coins and coin fragments, an assortment of cut-up silver objects, and one small Thor’s hammer. Live Science noted that such hammers were generally read as protective symbols and as a clue that whoever owned them believed in the Norse gods.

One of the bars has runes scratched into it. Museum staff think the inscription may read “hutu”, which could be a name, an ownership mark, or something nobody has worked out yet. Other bars carry crosses or hammer symbols.

Money you weighed rather than counted

“It is like finding a safe from the Viking Age,” said Torben Sarauw, head of cultural heritage and an archaeologist at Nordjyske Museer, in the museum’s statement.

The ratio is what interests archaeologists most. Coins make up a tiny share of the total weight, while bars, jewellery and chopped-up silver account for nearly all of it, and in a bullion economy that difference matters. Silver was spent by weight, and face value barely came into it, so the stuff got clipped into smaller pieces, divided and melted down as needed. Grams and purity were the things worth arguing about.

Sarauw has pointed out that the bars cluster around particular weight bands, as do some of the bracelets and the cut silver. That pattern suggests a holding somebody had organised, rather than a pile of attractive objects gathered at random.

Coins from a very long way off

Two of the coins are Anglo-Saxon pennies struck under Edward the Elder, who ruled from 899 to 924. They give the excavation a dating floor, since the silver cannot have gone into the ground before those pennies were circulating, though it may have gone in a good while afterwards.

Most of the remaining coins are Arabic dirhams. Sarauw told DR that they originated in Central Asia, where silver was mined, and travelled up through the Russian river systems into the Baltic before finishing their journey in a Jutland garden. Dirhams turn up regularly in tenth-century Scandinavian silver finds, and like most things in this one, plenty of them had been clipped into fragments.

What the garden will not give up

There will be no large excavation. The site sits in a modern built-up area, which rules out tearing up the neighbourhood to hunt for context.

So the obvious question stays open. Silver on this scale might have been buried close to a Viking settlement, beside a route people travelled, or somewhere deliberately remote and quiet, and without a dig nobody gets to choose between those.

Worth keeping in proportion: this is a museum announcement, not a published study. Analysis of the weights, the coins and the runic inscription is still under way, and the interpretations on offer are early ones.

What happens to the silver now

Denmark runs a treasure trove system called danefæ, under which finds of this kind belong to the state. Anyone who digs one up has to hand it in, and the National Museum of Denmark then pays a reward set by the value of the material, the rarity of the find, and how carefully the finder looked after it on the way in. The hoard has been submitted for assessment.

That law traces back to 1241, which is roughly eight centuries of Danes being given a reason to ring a museum.

Nordjyske Museer would like to put the silver on permanent display at the Viking Museum Fyrkat, alongside six gold arm rings weighing 762.5 grams found nearby only two months earlier. Whether that happens is not the local museum’s call, because danefæ belongs to the National Museum, which sets the security requirements for anything this valuable going into a display case.

Rebild keeps doing this

A four-kilo silver hoard came out of the same area in 1971, wrapped in animal skin when it was buried. Add the gold arm rings from this year and the region starts to look less like a quiet corner of Jutland and more like a place where a lot of wealth was being parked.

The finder, as The Art Newspaper reported, has asked to stay anonymous.

Plenty of countries treat a discovery like this as a legal headache for whoever trips over it, which tends to mean the good stuff quietly disappears into private hands. Denmark made it a transaction instead, and that is why an exhausted bloke in Rebild phoned his local museum instead of a dealer.