Longley Auctions is a public auction and retail firm located in Hamilton, Ontario that specializes in worldwide stamps, postal history, postcards, and philatelic literature. Founded in 2000, the firm conducts live public auctions at its offices while also maintaining an extensive online retail stock. Through its auctions and retail activities, Longley Auctions provides dedicated services to collectors and dealers, serving as an important buyer and seller of important collections throughout Canada and internationally.

Forster - Stamp Auctions is a philatelic auction house that offers rare stamps for bidding online.

Millennium Stamp Auctions is a philatelic auction house based in Sydney, Australia. They specialize in stamps and postal history of Australia, its territories, and the former Australian colonies. They offer a wide range of lots in their online auctions, including rarities and collections.

Stephan Welz and Co. is an auction house established in 1968 that specializes in a wide range of categories including fine art, design, stamps, furniture, and traditional African art.

Ava Auctions Ltd. is a leading auction house based in Hong Kong that specializes in high-end Chinese philatelic materials. They offer public auctions with real-time online bidding and provide professionally researched catalogues. With a team of experienced experts and a strong presence in the Greater China market, Ava Auctions Ltd. is a trusted resource for collectors and investors.

Soler y Llach S.A. is a renowned auction house in Barcelona that specializes in coins, banknotes, stamps, antique books, and collectibles.// Soler y Llach S.A. hosts frequent auctions of rare coins, stamps, books and other collected objects, drawing on its experts' deep expertise in philately and antiquarian books to provide valued services to collectors, including free appraisals and a diverse event calendar.

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Ian Boulton Stamp Dealer Ace Stamp Auctions is a stamp auction house that offers a wide range of stamps, coins, banknotes, and miscellaneous lots. They have a low buyer's premium and offer competitive rates for vendors, ensuring a maximum return on sold lots. Their upcoming auction, Auction No 33, will take place on July 15th and 16th at the Cannington Exhibition Centre.

Eppli Stamp and Coin Auction is an online auction house that specializes in selling jewelry, watches, fashion, art, coins, and collectibles.

Golden Valley Stamp Auctions is a leading stamp auction house that specializes in rare and unique stamp collections from around the world. They offer a wide range of stamps, collecting supplies, and resources, and are committed to providing their clients with a trusted and exciting platform to buy and sell stamps.

Malmo Frimarkshandel is an auction house that has been organizing auctions since 1991. They have a wide range of items, from low-priced to high-priced, including stamps, postcards, and letters. They also offer services for collection evaluation and inheritance purposes.

Auktionshaus LOTH GmbH is an auction house located in Mainz, Germany that specializes in international philatelic auctions. Through their auctions and catalogues, they provide resources for collectors to buy and sell rare stamps and support the philatelic community.

Skanfil is an online auction house offering daily auctions of collectibles, antiques, and rare items with a focus on personalized customer experience. They use cookies and pixels to tailor their services, offer various payment methods, and have a user-friendly website and social media presence.

Hellman Auctions Ltd is a reliable auction house that provides a trusted channel for buying and selling a wide range of items, including vintage collectibles, numismatics, cards, and more. With customers in over 60 countries, they serve individuals, estates, and government agencies in appraisal and sales assignments.

Michael Honegger Auktionen is an auction house in Lausen, Switzerland that specializes in philately. Led by auctioneer Leandra Honegger, it hosts both online and offline auctions, offers expert appraisals, and sells stamps and collections directly to buyers. The auction house strives to connect collectors with rare stamps and objects through its events, valuation services, and dedicated marketplace platforms.

21st Century Auctions - Professional dealer in fine Stamps, Coins and other Collectables since 1963, based in Melbourne, Australia.

John Bull Stamp Auctions Ltd. is the longest running auction house in Hong Kong dedicated to stamps, coins, and banknotes. They conduct regular public auctions in Hong Kong and specialize in Hong Kong and Chinese issues, as well as other Asian materials.

Grosvenor Philatelic Auctions Ltd is a leading philatelic auction house that specializes in the sale of rare and valuable postage stamps, postal history, and philatelic collections. The company's mission is to provide a platform for collectors and dealers to buy and sell high-quality philatelic items while promoting the hobby of stamp collecting and educating the public about its rich history and cultural significance.

Philatelie Marchland Auktion/Giorgino SA is a Swiss stamp and coin auction house that has been in business since 1971. Their services include online and catalog auctions containing rare stamps and coins, as well as resources and archives for collectors. They aim to connect collectors with valuable philatelic items through their auction programs and digital marketplace listings.

Schwarzenbach Auktion Zürich is a renowned auction house located in Zurich, Switzerland that offers auctions of rare stamps, postcards, and philatelic collections, helping collectors acquire exceptional pieces of postal history. Through its expertly curated auctions and bespoke client services, the organization fulfills its mission of building important philatelic collections and establishing new benchmarks in the market.