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Collection of audio casette from the eighties.

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However, there are lesser-known collectibles worththousands of dollars.

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You may even have them sitting in your house without knowing their value.

However, true fans understand the actual value of these treasures.

You dont need the oldest comic books to make a fortune.

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Antique maps are among the lesser-known collectibles that can fetch thousands of dollars if theyre in good condition.

For example, Ptolemys world map sold for about $312,000 at an auction in 2009, according toBooktryst.

Flatware

This may come as a surprise, but flatware ranks well among the most expensive collectibles.

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Not everyday silver-plated spoons and forks, but actual silver ones.

A Paul Revere Jr. spoon once sold for over $30,000.

Flatware can be expensive, depending on its quality, design and reputation.

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Sterling silver is more expensive than silver-plated items.

Posters from iconic films and concerts fetch impressive prices.

Technology

Another rare collectible that can fetch thousands of dollars is technology items.

This can be any machine or software that marked an important milestone in technological advancement.

Such collectibles are valuable, especially if theyre in mint condition, even better if theyre sealed limited editions.

The value lies in rarity and retro designs, making earning top dollar from your collection possible.

Cassettes may be on the lower end, but they still fetch impressive prices.

You dont need to have items used by famous athletes to make money.

Even a ball signed by Ronaldo could potentially sell for a high amount of cash.

So, if you have something an iconic sports figure owned or signed, it could fetch top dollar.

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