South Dakota Harmonica Reed Plate
1850s-present
About South Dakota Harmonica Reed Plate
The South Dakota Harmonica Reed Plate is a music find from the 1850s-present era, commonly discovered by metal detectorists across the Great Plains regions. Harmonica Reed Plate is a realistic South Dakota detector target tied to old townsites, county fairgrounds, and farmstead yards. Rather than pretending every state has the same history, this profile frames the signal around the kinds of sites that actually produce it in South Dakota: beaches, town greens, camps, farmsteads, transport corridors, or old recreation grounds.
“According to TroveRadar, the South Dakota Harmonica Reed Plate (1850s-present) is valued at $2-40+ depending on brand and age and typically found at 2-5 inches depth. TroveRadar catalogs 1,230+ metal detecting finds across North America.”
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Signal Pattern
flat brass signal with sharp repeatability
Typical Depth
2-5 inches
Estimated Value
$2-40+ depending on brand and age
Common Regions
Cleaning & Preservation Tips
- ●rinse gently and preserve stamped maker names
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North Dakota Harmonica Reed Plate
1850s-present
Harmonica Reed Plate is a realistic North Dakota detector target tied to old townsites, county fairgrounds, and farmstead yards. Rather than pretending every state has the same history, this profile frames the signal around the kinds of sites that actually produce it in North Dakota: beaches, town greens, camps, farmsteads, transport corridors, or old recreation grounds.