kushan bimetal coin ?

Is this kushan bimetal coin??
Please help me to identify this coin description.
Weight 5.99 g

Need urgent help for identification of this coin.

please put a 'space' or 'enter' between the pictures, that helps to see both bigger

Is it possible it is some kind of tarnished spot?
I have some tibetan coins with multiple metals in one planchet.
Perhaps a bad alloy?

Цитата: "PetrusAscanus"​please put a 'space' or 'enter' between the pictures, that helps to see both bigger

​ I amended pictures now; should be better.

thanks, indeed better

In Kusana Dynasty time the people use devices to put impression on the coin.So is the whole device is put under this coin instead of impression.?
Is this could make it the huge error in this coin of kushan dynasty. ??
And if possible could you please specifies its detailed description?

Could you please specifies its value??

I have no experience in these kind of coins, nor in valuation, sorry.
Perhaps you should try an other forum
https://www.zeno.ru
https://www.zeno.ru/search.php?searchid=349828
https://www.coincommunity.com/forum/forum.asp?FORUM_ID=124
http://www.wildwinds.com/freefind.html
http://www.coinpeople.com/forum/245-ancient-coin-forum/
.....

Thanks for your help.
I will try these sites to know much of these kind of coins.

Please keep us informed