What is this card worth

Champion's Helm SLC 64 $3 est. Borderless Champion's Helm AA1 AA1 3 No price yet Champion's Helm FIC 337 $0.92 - 2.91 Commander deck Champion's Helm PIP 1010 $4 Extended art Collector Booster Champion's Helm PIP 228 $1 - 3 Commander deck Champion's Helm PIP 756 $3 Collector Booster Champion's Helm PIP 482 $3 - 3 Extended art Collector Booster Champion's Helm CMM 654 $6 - 6 Borderless Booster Fun Champion's Helm CMM 601 $5 Etched Booster Fun Champion's Helm CMM 375 $3 - 3 Champion's Helm MPS 7 $71 Champion's Helm CMD 244 $3 Commander deck