Rare Olympia International vintage Nixie Tube Desktop Calculator 1970s Japan. The item "Extra rare Olympia vintage Nixie Tube Desktop Calculator 1970s Japan" is in sale since Sunday, October 28, 2018. This item is in the category "Business, Office & Industrial\Office Equipment & Supplies\Office Equipment\Calculators". The seller is "spancrest" and is located in Debrecen. This item can be shipped worldwide.