Welcome to C.O.C.A.

The official website of The Coin Operated Collectors Association & home to all things coin operated.


Making a Summer Day special, on August 6th, 2023, John and Linda Fifer hosted a regional COCA gathering at their home in Medina, Ohio. More than 40 coin-op enthusiasts were in attendance.

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Auctions Listing

Check out all of the latest AUCTION LISTINGS HERE. Auctions feature COIN-OPS AND OTHER GAMEROOM GOODIES. Most of these have items consigned by COCA Members and are being sold by COCA TIMES MAGAZINE ADVERTISERS, PLEASE SUPPORT OUR ADVERTISERS!

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Chicagoland Gameroom Show


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  • Morphy Auctions, located in Adamstown PA. and Las Vegas Nevada.  Count on their decades of experience running successful antique auctions for both sellers and buyers.


Post your coin-op questions or comments here.

  • COCA:

    Ken Rubin passed away 10/30/2023. Collector, Historian, Author Friend and COCA Hall of Fame inductee. May he Rest in Peace.

  • J. Rothrock:

    Looking for front casting for a junior crane counter machine also need a Muller Stander Carousel horse painted

  • Anonymous:

    Does anyone know how the payouts are determined on a German Perfecta machine?

  • Jon grainger :

    Looking to buy old slot machines. One or an entire collection.please call 617-513-5644 anytime

  • Anonymous:

    Need service person 4 IGT double diamond slot Farm Hls ,MI 248-478-5577

  • steve schlamp:

    need parts for liberty 1 cent 815 990 5369

  • steven Schlamp:

    need a knob for liberty 1 cent 815 990 5369


    Pioneer Club Casino pictures wanted - 1940/1950 send to .(JavaScript must be enabled to view this email address)

  • Joseph A Cypser:

    Does anyone have a coin (5cent) mechanism for a Jumbo Parade slot machine? .(JavaScript must be enabled to view this email address)

  • Voltman:

    I am looking for a schematic for a mill jumbo parade machine

  • Voltman:

    Does anyone know where I can get a schematic on a jumbo parade Mills machine?

  • Voltman:

    Does anyone know what a Mills jumbo parade is worth?

  • Anonymous:

    I am looking for someone to repair my Baker Boy coin-op made by Manikin Vendor Company in the 1920’s. Al Email: .(JavaScript must be enabled to view this email address)

  • kilo92:

    Need parts and manual for Bally Club Bells

  • charles tarpey jr:

    lookin for info on a bally draw bell

  • Big Sid:

    I need information about a Globe Grip Tester with the cannon ball. .(JavaScript must be enabled to view this email address)

  • Caldwell , Ken:

    Which Chicago Land show is the largest, fall or spring? ANSWER, Fall if it is not snowing.

  • Jon Grainger:

    Check out my new coin op website http://www.hot4slot.com

  • Anonymous:

    I am looking for a person to repair m coin operated machine who lives in the Baltimore, Essex area.

  • Bostonjonny:

    Do you have a Pace kitty or Superior slot machine for sale?

  • Durham, Ken & Jackie:

    Pinball Hall of Fame in Las Vegas needs help.  Go to: https://gofund.me/0ccf1d66

  • Brandon Rosen:

    I am looking for someone who does antique coin op restoration.  Call me 561-685-8991

  • Patterson, John:

    Sad to report Kim Hammergren of Conyers GA passed last week.  Well known among the jukebox community. He will be missed by many.  #RIPKIM

  • mgfineart99@gmail.com:

    Does anyone have an original Caille Puritan award card for sale? Thanks.

  • COCA:

    Sad News, Gene Oldham of Pittsboro NC passed away on December 18, 2020 of heart failure.

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  • Slot Machines - America's Favorite Gambling Device By Marshall Fey  6th edition
  • Donley Auctions, Union Il. near Chicago, Coin-Op auctions and more!