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Orders - Call 978-369-4908
All orders including Coin Collector's Assistant will receive updated initial listings for 2025 in late December at no charge
Mac OS/X versions have been tested of Sequoia
Welcome to Carlisle Development Corporation! All of our software products run on all recent versions of Windows (including Windows 11) Collector's Assistant and Grading Assistant II are also available as native Mac OS/X applications (Ventura, Monterey, Big Sur, Catalina, Mojave, High Sierra)
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