Update on 2018 silver Krug toning exercise.

แชร์
ฝัง
  • เผยแพร่เมื่อ 20 ต.ค. 2024
  • The exercise was started in February to see how the silver coin would tone/tarnish when removed from it's airtight and placed in a normal material velvet bag.

ความคิดเห็น • 2