Hi, here are some statistics about my collection. There are several threads looking at these individual aspects but here they are all in the one place.
My lightest coin weighs 0.5g:
https://en.numista.com/catalogue/pieces5859.html
My smallest coins measure 15mm in diameter:
https://en.numista.com/catalogue/pieces5859.html
https://en.numista.com/catalogue/pieces11038.html
https://en.numista.com/catalogue/pieces767.html
https://en.numista.com/catalogue/pieces2733.html
My largest coins weigh 28.28g and have a diameter of 38.61mm: https://en.numista.com/catalogue/pieces11102.html
https://en.numista.com/catalogue/pieces5982.html
https://en.numista.com/catalogue/pieces6627.html
The average weight is 5.5g and the average diameter is 23.03mm
so the best approximation for my average sized coin is a South African 2 Rand https://en.numista.com/catalogue/pieces830.html
The total weight is: 3.513kg
The total diameter is: 14.57m
My oldest coin is from 1782:
https://en.numista.com/catalogue/pieces5528.html
My rarest coin has a Numista rating of 88:
https://en.numista.com/catalogue/pieces12157.html
My least rare coin has a Numista rating of 5:
https://en.numista.com/catalogue/pieces6.html
The average rarity of my collection is: 18.28