Ok late nighters, German was red hot !! One more clue, the seller of this marbles "twin" is one of our "Reputable Sellers" . If you hurry you'll see it ... ⏱️ Another clue, 18 Hrs. left till their final sale of the mib, starting right ... now !!
"Another clue"
There's one almost exactly like it for sale on the Feebay right now, same color and everything, 19 hrs. left right ... "now" In would post the link "but" ....
I also use an Anker Art, said battery would last for 5 years I've had it almost 7 and still going strong, after recharging of course.
https://www.amazon.com/Anker-Rechargeable-Flashlight-Resistant-Emergency/dp/B072171VHQ/ref=dp_fod_2?pd_rd_i=B072171VHQ&psc=1
Found it and one more :
LINK :: https://marbleconnection.com/topic/6786-mostly-pix-peltier/page/2/#comment-170239
LINK :: https://marbleconnection.com/topic/6786-mostly-pix-peltier/page/14/#comment-200410
Couldn't find your MC pix but did find this AAM post from you, part of the same link as Adam Posted.
LINK :: https://allaboutmarbles.com/viewtopic.php?f=17&t=948&start=50
And another from right here.
LINK :: https://marbleconnection.com/gallery/image/150-copperheadjpg/
Maybe @Peltier Mibber will show up w/ some pix of theirs. OP, no pelt, no copperhead IMO
LINK :: https://allaboutmarbles.com/viewtopic.php?f=17&t=948&start=50