Yes. I have no idea what the "1" on the "real" typewriter typeface looks like.
Somebody will chip in here (If they haven't already)....
To expand a little on my post from earlier noting the difference in the 1s on the Aussie BC. A few Freepers have suggested that perhaps the person that created the Aussie BC used the actual #1 key for the 10th of April and then fell back into old habits and used the lower case l throughout the rest of the document. I agree that it is very possible but something was still bugging me about how different the number 1 looked compared to everything else.
I tested some old typewriter fonts online: Typewriter Gothic & Typewriter.
I typed in 12345 and LLLLL (lower case though) so I could see the difference, if any, between the number 1 and the lower case l.
On the left is the Typewriter Gothic font which shows a number 1 similar to that on the Aussie BC which seems out of place. Notice that neither the number 1 nor the lower case l have the _ at the bottom.
On the right is the Typewriter font which shows the number one and the lower case l to be the same.
If an old typewriter had a functioning 1 key, would the lower case l look similar to the Typewriter Gothic font above? Meaning, would both the 1 and the lower case l be missing the _ at the bottom?
Would it be possible for an old typewriter to have two different ‘fonts’?