Brazil

1 Cruzeiro 1970  KM# 581
https://en.numista.com/catalogue/pieces2248.html
should not be Copper-nickel (which is KM# 581a)- it's attracted to the magnet the same way as KM# 582, so it's most probably nickel too

5 Centavos (FAO) KM# 587
https://en.numista.com/catalogue/pieces3816.html
most times I find this coin, it's from 1975, so I doubt the rarity of that year

10 Centavos 1974-1979 KM# 578.1a
https://en.numista.com/catalogue/pieces7052.html
should be Stainless Steel like the other coins from these years

https://en.numista.com/catalogue/pieces11487.html
a space is missing in the value (1000Réis)

Hi!
All is good now.
Thanks
Alan

thanks for fixing

the data of the last two series can be seen here
http://www.bcb.gov.br/?REALCOINS
some diameters and weights are more precise there

and it's the 1 Real Stainless Steel coin that was withdrawn, not the 1 Centavo coin
https://en.numista.com/catalogue/pieces2832.html
http://www.bcb.gov.br/?COINWITHDRAWN
"On December 23rd, 2003, the 1 Real stainless steel coin was withdrawn from circulation."

https://en.numista.com/catalogue/pieces5390.html
"Roiund" -> "Round"

thanks. corrected the typo.
You sure that the 1 centavo is still circulating?

The coins of 1 centavo are still circulating if you are lucky enough to find one. Last week I found some of those coins (both types), that I kept to use as change. They will never be used again...