Marvin Mallon

  • Potter on Postage

    Potter on Postage

    FREE

    If you are a "Potter Person", this app is for you. On November 19th, 2013 the United States Postal Service issued a set of five souvenir sheets of four Forever stamps each paying homage to the Harry Potter books and movies. The leading characters in the film (both human and otherwise)...

  • Iconic Inventions

    Iconic Inventions

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    (2)


    FREE

    Here is an informative display of six of the most iconic inventions. Each has had a significant impact on man's ability to communicate, improve his way of life and reach for the stars. There are three presentations for each of the selected invention. First, there is shown the original patent...

  • Veeps

    Veeps

    FREE

    Forty-seven men have served as Vice-President of the United States from 1789 to the present. Some inherited the office of President by virtue of the death, or resignation, of the man in the White House. Others achieved that goal upon the conclusion of the term of his predecessor. From John Adams...

  • Priceless Paintings

    Priceless Paintings

    (80)

    (2)


    FREE

    Here is a presentation of the twenty most valuable paintings in the world. Each has sold for more than US $1,000,000. From Cezanne’s “The Card Players” to van Gogh’s “Portrait de l’artiste sans barbe”, each painting is renowned for it’s provocative glimpse into the mind of the artist. Cezanne has...

  • Koi Story - Part 1

    Koi Story - Part 1

    FREE

    If you already own or are planning on installing a Koi pond, then this application should be of interest to you. Here is a selection of five articles that the developer wrote and had published in KOI magazine, a British publication. Some of the articles take the form of an interview with an...

  • Greek Games

    Greek Games

    FREE

    Take a tour of all of the Summer and Winter Olympics held from 1896 to the present. Examine the postage stamps and posters from many nations that depict the events of the Games. An informative introduction offers background to these memorable occasions. View the names of participating nations and...

  • Priceless Coins

    Priceless Coins

    (80)

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    FREE

    Here is a presentation of the twelve most valuable coins in the world. Each has sold for more than $2,000,000. From a British 1343 Edward III Florin to a United States 1933 Saint-Gaudens gold Double Eagle, all of these coins are extremely rare, in extraordinary condition and command these unusual...

  • Chess Masters 3

    Chess Masters 3

    (67)

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    FREE

    The purpose of this application is to acquaint the viewer with the lives of ten more of the most famous chess Grand Masters. A portrait of each accompanied with a brief biography is available as well as a link to an incredible web site (Chessgames.com) that permits the user to step through anyone...

  • Chess Masters 2

    Chess Masters 2

    (40)

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    FREE

    The purpose of this application is to acquaint the viewer with the lives of ten more of the most famous chess Grand Masters. A portrait of each accompanied with a brief biography is available as well as a link to an incredible web site (Chessgames.com) that permits the user to step through anyone...

  • National Parks - Volume 1

    National Parks - Volume 1

    (64)

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    FREE

    Take a journey through 10 of the United States National Parks. This presentation of the beauty and natural wonder of America's greatest treasures was created especially for Android devices. These pictures portray the best that the U.S. Park System has to offer. An introductory description of...

  • Stars on Stamps

    Stars on Stamps

    FREE

    17 motion picture celebrities have been honored by a series of postage stamps titled, “Legends of Hollywood”. Once each year, since 1995, a stamp has been issued by the U.S. postal service paying homage to a major film star or director. View the stamps (in two different formats) and read the...

  • U.S. Classic Coins

    U.S. Classic Coins

    FREE

    “U.S. Classic Coins” is a companion program to our popular “U.S. Coin Checker”. It differs in that it is restricted to coins that have a potential value of $1,000 or more. Additionally, it offers three different values for each coin (“Good”, “Better” and “Best”). If you are curious about the...

  • U.S. Coin Checker

    U.S. Coin Checker

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    FREE

    Did you know that six different varieties of the United States one cent piece were minted in 1909 and that one of them is worth more that $4,000 today? Curious about the value of other odd coins tucked away in an old cigar box or hidden under the sofa cushion? Wonder no more. “U.S....

  • U.S. Classic Stamps

    U.S. Classic Stamps

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    FREE

    From 1847 to the present, the United States has issued more than 4000 different postage stamps. This application offers detailed information regarding the 185 stamps whose present value equals or exceeds $1,000. Current values for various grades are listed for items ranging from the 5¢...

  • Superheroes on Stamps

    Superheroes on Stamps

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    FREE

    Twenty comic book Super Heroes have been honored by a set of postage stamps issued in 2006 and 2007 by the U.S. postal service. A portrayal of each individual plus an image of a comic cover that they appeared in are included. View the stamps (in two different formats) and read the interesting...

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