Most valuable Base cards (1999)

The most valuable Base card is Charizard 4/102 at $674.34 for an ungraded Near Mint copy. The ten most valuable together come to $1,501, 78 % of the whole set's market value. Base is a 102-card expansion in the Base series, released 1999/01/09. Prices are TCGplayer market values and move daily; graded copies sell above them. The full list is on the Base card list.

Most valuable Base cards
#	Card	No.	Rarity	Market
1	Charizard	4/102	Rare Holo	$674.34
2	Blastoise	2/102	Rare Holo	$225.61
3	Venusaur	15/102	Rare Holo	$155.52
4	Alakazam	1/102	Rare Holo	$84.13
5	Mewtwo	10/102	Rare Holo	$75.70
6	Raichu	14/102	Rare Holo	$72.85
7	Chansey	3/102	Rare Holo	$65.00
8	Zapdos	16/102	Rare Holo	$53.51
9	Gyarados	6/102	Rare Holo	$53.43
10	Clefairy	5/102	Rare Holo	$41.02
11	Nidoking	11/102	Rare Holo	$38.31
12	Poliwrath	13/102	Rare Holo	$37.31
13	Ninetales	12/102	Rare Holo	$37.05
14	Magneton	9/102	Rare Holo	$35.82
15	Hitmonchan	7/102	Rare Holo	$23.50
16	Dragonair	18/102	Rare	$17.83
17	Electabuzz	20/102	Rare	$12.15
18	Pidgeotto	22/102	Rare	$11.11
19	Dugtrio	19/102	Rare	$10.92
20	Scoop Up	78/102	Rare	$9.23
21	Item Finder	74/102	Rare	$8.81
22	Clefairy Doll	70/102	Rare	$8.38
23	Devolution Spray	72/102	Rare	$8.21
24	Impostor Professor Oak	73/102	Rare	$8.17
25	Squirtle	63/102	Common	$7.95

See the most valuable card of every set and how to price your own copy.