Treasure Island Coins
Sioux Falls, South Dakota
- Address
- Sioux Falls, SD, 57101
- Phone
- (529) 605-7749
- Website
- treasureislandcoins.com
Important information for Treasure Island Coins customers on rebasing to Battalion Metals
Dealer location
Street is not on file. The pin is the ZIP or city area — not a door.
Collector notes
Visiting a coin shop
A few notes before you walk into Treasure Island Coins in Sioux Falls, SD. These rotate daily. They are general collector etiquette from CDXList — not this shop’s house rules. When something is unclear, ask the person at the counter.
You do not have to announce what you paid
“I have three thousand in this” is not a grade or a melt value. It puts the dealer on defense and does not change what the coin is. Tell them what it is, where it came from if that matters, and what you want to do. Let the piece speak, then talk numbers.
Do not clean the coins
Polish, dip, baking soda, and a toothbrush lower the value of most collectible coins. Leave dirt and toning alone. If you already cleaned something, say so. A dealer would rather hear the truth than discover it under a lamp.
When metals jump, the shop gets busier
A sharp day in gold or silver fills the parking lot. Offers take longer. Lines get real. If you can wait a quieter day, you will get a better conversation. If you cannot, bring patience and a simple list of what you have.
What happens at the counter is private
Do not repeat another customer’s name, address, or what they sold. Do not film the register. Shops are small towns. Discretion is part of being a decent visitor. It is also how you get treated like one.
Decide if you are selling all of it or part of it
“I need this gone” and “I only want to sell the silver” lead to different offers. Decide before you sit down. Changing the goal halfway through wastes their time and yours. It is fine to keep a piece that is sentimental. Say which one.