definetly worth premium
keep it like this

don't know if its that neat and rare

doesnt look like it to me if i compare
https://www.coinsandcanada.com/coins-pr ... -1876-1901

watch this
https://www.coinsandcanada.com/coins-ar ... ins&id=936

dot 1964 pennies it sold for a lot in 2018-2019 but now, an uncirculated certified one sell for a couple hundreds

just a die chip but offer and demand always right

TBH is right Canadian proofs started in 1981

Probably an UHC PL coin or a Specimen one.

Looks like it

Flaw planchet or grease. Wither way, doesn't add value. Just a fun thing to keep if you are an error person

End of roll. Where this roll comes from?

You can find the diff. in diameter here
https://coinsandcanada.com/coins-prices ... -1920-1936

some may be found out there, but rarer due to multi-ply plating RCM Multi-ply plating is a unique electroplating process which deposits thin, alternating layers of nickel and copper over a steel core, or “blank”, to produce the best quality, most economical nickel and copper based coins circulation ...

you need definitions or a price guide for errors?

bald beaver = polished dies

If unc, this is a weak strike, not a polishing issue

I dont think it matters for the insurance if you take new pictures of them or not

I dont know why you take pictures of all your coins.

Valuable ones, ok. Common ones, just keep old pictures.