Currency

Does a QR code make currency accessible?

After I wrote a post about accessible currency, I got an interesting question from Dean Parr, Numismatist about what I…

6 years ago

Note Teller 2, a money identification device

Earlier i wrote about my collection of currency identifiers. This week I have added an interesting device to the collection,…

6 years ago

What is accessible currency?

I've been writing about currency recently. No worries, we will get back to coins soon, but this is an interesting…

6 years ago

My new collection: currency identifiers

It was by accident that I ended up with a collection of currency identifiers. Let me explain. Recently I started…

6 years ago

How Blind People Identify Paper Money

For people who are blind or visually impaired, it is important to safely and quickly recognize their currency. Both when…

6 years ago

Currency Recognition for the Visually Impaired

Ever since there is paper currency in the US, visually impaired people have come up with solutions to recognize their…

10 years ago

Collecting Paper Currency

When I started collecting, I have collected bank notes, among many other things. The better question was, what didn't I…

11 years ago