They're considered souvenir notes or exonumia by most collectors. The "colour spots" look to me like planchettes which were a security feature...
When I started collecting that is exactly what we did! But in my case that was 47 years ago & the only "books/info" out there were dated...
Lovely dramatic errors @Collecting Nut & @Jersey magic man! BTW: that's a LOT of "LIKES" too @Collecting Nut Congrats!
Those are tough questions to answer. My best guess for "a" is the more experienced collector (for example, one who knows that looking for "Q"...
Glad the links were of some help!
Put the sheet in some type of mylar sleeve protection (if possible). You might have to search a little harder for a super large page sized...
Understanding the context is key. Great note: a true "collector's note." If you're buying this note as an investment, maybe not so much, but as a...
+1 -I would take them into your LCS & ask the dealer there what he/she thinks. They can settle the matter quickly.
+1 If you'd like to fully understand the BEP's Federal Reserve Banks, Serial numbers & Block system then I would encourage you to check out this...
Part2 (page 4) The 3rd note down looks to be P-99a(3) 1 Peso Oro from the Dominican Republic 1970. It has quite a bit of graffiti but other than...
Wow, those are very respectable nice grades. Probably just a bit of minor handling. Congrats!
I wouldn't be patronizing that auction again. To me, repairs & issues should be stated before any auction & most of the top tier auction houses...
They're specimens & typically have serial number 000000 with the same initial prefix. Nothing special & super overpriced IMO. Not sure why...
+1 I went to our biggest bookstore chain where they usually sell our paper money catalogue (Charlton Guide to Gov Paper Money) but the only books...
BTW: almost forgot that I made a very short (very general) youtube video on grading banknotes which can be viewed on my Notaphilyc Culture site...
Separate names with a comma.
