OT: "half-dollar"/"50 cent piece" Was: Recovering the ROM of an IBM 5100 using OCR

[Paul Berger]

On 2019-06-28 7:50 p.m., Nemo Nusquam via cctalk wrote:
> On 06/28/19 16:54, Steven M Jones via cctalk wrote (in part):
>> On 06/28/2019 11:11, Alan Perry via cctalk wrote:
>>>> Canada also replaced the $1- and $2-bill with coins (26.5mm and 
>>>> 28mm, resp.).
>>> Oh, I know. I was questioned by the RCMP for spending a $2 bill that 
>>> was in my leftover Canadian cash from a previous trip years before.
>> Two weeks ago I was in London, and had brought my pound notes/coins 
>> from a visit a few years earlier. When trying to buy lunch, the 
>> cashier refused my £10 note since new £5 and £10 notes had been 
>> issued over a year before. I was advised I could change it at a bank...
>>
> Then there were those huge 10-franc coins in France before the Euro, 
> large enough to have writing engraved on the edge.  (I still have one 
> or two somewhere....)
>
> N.

The Canadian 2 dollar coin has writing engraved on the edge.

The largest coins I have encounter was when I was in Mexico in the early 
90s.  I think the smallest denomination at  the time was 500 pesos it 
was about the size of 2or 3 quarters stacked up and worth nothing.

Paul.