Part I - Metal Detecting at the Swedish Tavern Site, page 45
Treasure Hunting Near Coporie Fortress
I also had to get moving not to get too cold. I was hearing a few signals emitted by the iron nails but did not feel like digging them just to stay warm. For that, I kept on swinging the coil, thus covering more ground in hope of locating a good spot. And I did the right thing because soon I received a coin signal and pulled the dirt plug out.
Winter Metal Detecting?
To my surprise, there was a coin in the hole! Unbelievable.
The coin was not in great shape due to the highly fertilized soil in this field, but still it was nice to see that my detector worked in subzero temperatures at the "hammered out" site!
Obverse of 1768 Polushka, Empress Catherine II of Russia
I had already noticed a cluster of old holes. I saw my chance and applied my old method of searching - I began detecting between the holes left by previous visitors. If it was a "hot" spot, a coin or two would be left behind, especially if the coins were masked by nails. 10 minutes had passed, but the ground was quiet.
I was wondering if this was the first time my method would not work, but my detector voiced its disagreement with a signal of high pitched tone - "Silver!" Totally unbelievable. Nikolai could not resist to come over and look at the silver coin I had just unearthed.