The best replacement for coin is bullion.

The best alternatives to coin are rated as following:
★★★★★  bullion
★★★  screw drivers
★★  token
★★  bill
★★  relic shield
★★  loop
★★  wocket
★★  uncirculated
★  echo
★  dollar bill
★  paper money
★  uncirculated coin
★  spellthief
★  gold bar
★  medal
★  medallion
  google wallet card
  gold bullion
  canadian gold coin
  x plan
  graded coin
  south african coin
  mint coin

Your alternative for coin is not listed? Suggest!
Speaking about coin, one probably shouldn't forget about angel on both sides.

Other search terms related to coin and their ratings are:
★★★★★ angel on both sides
breaking bottle
You have in mind a companion for coin and it is not yet here? Propose!



Google Trends

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coin
bullion
screw drivers