Contact Us

Get in Touch

Have a question about a banknote or coin for sale, or ready to secure a rare piece for your collection?

Use the contact form or email us directly — we’re happy to assist with:

  • Product inquiries and availability checks

  • Want lists for rare banknotes or coins

  • Selling your banknotes or coins

💌 Email: contact@numisasia.com

💡 Tip: If your inquiry is about an item for sale, including the link helps us confirm availability faster.

Our office

📍 NumisAsia – Rare Banknotes & Coins in Bangkok

We are appointment-only for security and to ensure personalized service for collectors.

If you wish to visit, please book an appointment. We will provide the exact location and directions after confirmation.

How We Can Help

Whether you’re a seasoned collector, a first-time buyer, or someone looking to sell rare currency, we’re here to assist with all your numismatic needs.

Inquiries We Handle

You can use the contact form (or email us directly) for:

  • Product inquiries – Check availability of specific banknotes or coins

  • Want lists – Request hard-to-find notes or coins through our global network

  • Selling to NumisAsia – From individual items to large collections

  • Payment & shipping questions – Clarification on accepted methods or delivery times

  • Dealer & institutional inquiries – Auction houses, museums, and private collections welcome

Every inquiry is handled with care, accuracy, and discretion.

Our Experience & Clients

Our team has decades of experience with rare banknotes, PMG graded notes, historic coins, and other numismatic collectibles.

We don’t just answer questions — we aim to build long-term trust with collectors, investors, and institutions worldwide.

Whether you are:

  • Acquiring a rare specimen note or graded banknote

  • Exploring fancy serial numbers, error notes, or historic coins

  • Starting or expanding a serious collection

…we are here to help you grow and protect your collection.

Our clients include individual collectors, dealers, auction houses, and institutions across the globe.

We’ve assisted first-time buyers with their first graded banknote, and longtime collectors in sourcing rare specimens and unique numismatic pieces. If you represent a museum, financial institution, or private collection, we welcome all serious inquiries.

Our Response Promise

We pride ourselves on fast, professional communication:

  • Most inquiries are answered within 24 hours (Mon–Fri)

  • Complex requests (e.g., large collections) may take slightly longer for a detailed, accurate response

More Resources

Before reaching out, you may also find helpful information here:

  • FAQ – Ordering, payment, want lists, shipping, and selling to NumisAsia

  • Blog – Tips for collectors, rare finds, and numismatic insights

If your question isn’t covered, don’t hesitate to contact us — we’re always happy to help.