Please to help with Luxembourg essai coin

hello to all

please to help to identification by krause E47, E48 or E49 and market price (not found any piece on ebay)?

Luxenbourg essai coin 1946 year
edge plain
weight 6.5 gr
silver
looking like mirror and proof

thank you

proof? No
UNC? Yes

https://en.numista.com/catalogue/pieces65621.html
E47? I find this....

https://www.ngccoin.com/auction-central/world/luxembourg-scid-202/auctions/1946-essai-luxembourg-km-e47-silver-franc-pf-coinid-189300

Quote: "PetrusAscanus"​proof? No
​UNC? Yes

​why not proof?
here this coin in proof - https://www.ngccoin.com/auction-central/world/luxembourg-scid-202/auctions/1946-essai-luxembourg-km-e47-silver-franc-pf-coinid-189300

Quote: "luca biondi"​https://en.numista.com/catalogue/pieces65621.html
​E47? I find this....
​
​ https://www.ngccoin.com/auction-central/world/luxembourg-scid-202/auctions/1946-essai-luxembourg-km-e47-silver-franc-pf-coinid-189300

​yes, i also thought it E7
but in this topic
"...Silver - plain edge - Essai au revers - 5,9 g. - L#382A-2A / KM#E47..."
my coin 6.5 gr...

Silver - plain edge - ESSAI on the obverse - 6.5 g. - L#382A-2var / KM#-
Obverse and revers are different...:)

Quote: "parmalat"​

Quote: "PetrusAscanus"​proof? No
​​UNC? Yes

​​why not proof?
​here this coin in proof - https://www.ngccoin.com/auction-central/world/luxembourg-scid-202/auctions/1946-essai-luxembourg-km-e47-silver-franc-pf-coinid-189300
​

​https://en.numista.com/numisdoc/coin-grades-58.html