Zekrom

Zekrom (46/70), the Rare from Dragon Majesty, has an estimated ungraded market price of about $2–$3. Note: 13 other cards named Zekrom exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Zekrom (46/70), the Rare (about $2–$3) from Dragon Majesty.

The other versions: #115/113 from Legendary Treasures (Secret Rare, about $350–$450); #114/114 from Black & White (Ultra Rare, about $105–$135); #TG05/30 from Brilliant Stars Trainer Gallery (Rare, about $15–$20); #39/116 from Plasma Freeze (Rare, about $9–$12); #47/114 from Black & White (Rare, about $7–$9); #51/113 from Legendary Treasures (Rare, about $7–$9); #50/99 from Next Destinies (Rare, about $3–$4); #64/108 from Roaring Skies (Rare, about $2–$3); #35/73 from Shining Legends (Rare, about under $1); #60/185 from Vivid Voltage (Holo Rare, about under $1); #10/25 from Celebrations (Rare, about under $1); #CC021/25 from Celebrations Classic Collection (Classic Collection, about under $1); #066/182 from Paradox Rift (Rare, about under $1).

The collector number printed at the bottom of the card is the reliable way to tell them apart.