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International Arcade Museum® — Killer List of Videogames®


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Duplex was produced by Mills Novelty Co. in 1899.

Mills Novelty Co. released 670 machines in our database under this trade name, starting in 1896. Mills Novelty Co. was based in United States.

Other machines made by Mills Novelty Co. during the time period Duplex was produced include: No. 5 Poker, Little Monte Carlo, Little Duke, The, Jumbo, Owl A Musique - Owl has Music, Dewey, Dewey Jackpot, Judge, The, Little Egypt, and Manila


Name Duplex
Developer Mills Novelty Co. (United States)
Year 1899 - 1902
Type Slot Machine
KLOV/MOG # 2082
Sub-Type Upright

Duplex KLOV/IAM 5 Point User Score: 0.00 (0 votes)

Personal Impressions and Technical Impressions each account for half of the total score. Within the Personal Impressions category, Like carries a little more weight than the other factors.

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VAPS Arcade/Coin-Op Duplex Census

There are 14,748 members of the Vintage Arcade Preservation Society, 9,472 whom participate in our arcade census project of games owned, wanted, or for sale. Census data currently includes 164,455 machines (6,894 unique titles).

Very rare - There are no known instances of this game owned by one of our active members.

Wanted - No active members have added this machine to their wish list.

Rarity and Popularity independently are not necessarily indications of value. [More Information]

Foto-Finder® (Books)

  1. Collectors Guide to Vintage Coin Machines Bueschel (ISBN 0887407366) Page: 17; Color photo
  2. For Amusement Only Gustwiller (ISBN 0-9644748-0-8) Page: 8; Black and white photo
  3. Lemons, Cherries and Bell-Fruit-Gum Bueschel (ISBN 0964783606) Page: 43; Color photo
  4. Slot Machines, A Pictorial History of the First 100 Years Fey (ISBN 0962385204) Page: 92; Color photo Price guide: No
  5. Drop Coin Here Rubin (ISBN 0-517-532980) Page: 27; Black and white photo Price guide: No
  6. Lemons, Cherries and Bell-Fruit-Gum Bueschel (ISBN 0964783606) Page: 9,10; Black and white photo
  7. Slot Machines, A Pictorial Review Christensen (ISBN 0911572139) Page: 9; Black and white photo Price guide: No
  8. Lemons, Cherries and Bell-Fruit-Gum Bueschel (ISBN 0964783606) Page: 43; Color photo
  9. Bandieten van Dongen (ISBN 9080488410) Page: 35; Color photo

eBay Listings

Click to search eBay for Duplex Slot Machine machines and related items.

Click to search eBay for Mills Novelty Co. for machines and parts.

When you click on links below to various merchants on this site and make a purchase, this can result in this site earning a commission. Such revenue helps to fund this site's operations. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.


Ebay Compatible Application

Auction Results

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Auctions Recap

Year Count Median $ Average $
2015 1 106,200.00 106,200.00
2016 2 72,000.00 72,000.00
All Years 3 78,000.00 83,400.00


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