Coins & banknotes

Buying coins and banknotes: commemorative, investment and collectible

Updated 20 October 2026

For a collection or as an investment

First decide your aim, because the choice depends on it. Collectors care about rare issues, varieties and condition. If you want to keep your savings in something solid, investment coins in precious metals often suit: their price is tied to the weight of the metal and its rate. Commemorative coins from the central bank sit in the middle: people buy them for collections and as gifts. Issue, mintage and original packaging matter here.

How the search works in BlaBlaPrice

In your request you write what exactly you want: year, denomination, metal, condition. The site checks the text and tells you what to add. Numismatists, shops and collectors answer in the chat with photos, condition, price and delivery method. Reviews are shown next to the offers, and the best match is shown first. Only the seller you choose sees your contacts. Read the general principles on How it works.

What to put in your request

• What exactly — coins, banknotes, commemorative coins, investment bars, sets, error pieces;
• Country, year and denomination, series or catalogue number;
• Metal and weight — silver, gold, cupronickel; ounce or grams;
• Condition — UNC, XF, VF, proof, capsule, defects;
• Original or copy and whether you need a certificate;
• Packaging — capsule, mint folder, case, album;
• Quantity — one coin, a full set, a roll;
• Budget and city for delivery.

Example: “I need a full set of Indian commemorative coins for 2020–2024 in the original mint folders, UNC condition. Courier delivery to Ahmedabad. Budget up to ₹3,000 per coin.”

What affects the price and how to check

For gold and silver pieces the base is the weight and purity of the metal, plus a premium for the issue and condition. For circulation coins and banknotes, the price comes from the year, variety, preservation and demand. Original packaging and a certificate raise the value. Check the weight and diameter, how sharp the image is, the colour of the metal and whether it matches the catalogue. Buy expensive pieces with an expert opinion. When comparing, see whether the offers' prices match the condition, not only the metal.

Common mistakes

Cleaning a coin “to make it look nice” destroys its value. Buying a banknote without stating the series and condition, when the price can change many times over. Forgetting safe shipping: coins travel in capsules with soft wrapping. Another mistake is comparing prices without allowing for original packaging: a coin in its folder and without it is worth different amounts. For investment bars, ask about purity, weight and whether the maker's document is included. For other collecting there is collecting, and for pictures paintings.