Tallgeese.

What moves the price of this card

The Tallgeese on this page is the Holofoil printing from Dual Impact, and it trades at $0.43 in near mint condition. The same name is on 6 other printings: Dual Impact GD02-005 at $55.56, Gundam Promotional Cards T-005 at $49.23, Starter Deck 02: Wings of Advance ST02-006 at $40.29, Newtype Rising T-005 at $0.86, Starter Deck 02: Wings of Advance ST02-006 at $0.69, Eternal Nexus EB01-027 at $0.14, so read the set, the number and the rarity together before comparing prices.

Condition does most of the work below the surface. A copy with soft corners or a print line off centre trades well under the market price shown here, and a copy clean enough to grade trades well above it. Before you value your own copy, look at the corners under a light and check the centring on the back, where most cards give themselves away.