Pikachu

Pikachu (58/102), the Common from Base Set, has an estimated ungraded market price of about $16, typically in the $13–$18 range. Note: 57 other cards named Pikachu exist across the sets Riffle tracks, at very different values; check the collector number.

This page covers Pikachu (58/102), the Common (about $13–$18) from Base Set.

The other versions: #112/111 from Rising Rivals (Rare, about $280–$370); #241/236 from Cosmic Eclipse (Secret Rare, about $195–$260); #84/144 from Skyridge (Common, about $150–$200); #115/114 from Black & White (Secret Rare, about $135–$175); #173/165 from 151 (Illustration rare, about $70–$95); #131/91 from Paldean Fates (Shiny rare, about $65–$90); #RC7/113 from Legendary Treasures (Uncommon, about $60–$85); #GG30/70 from Crown Zenith Galarian Gallery (Rare, about $55–$75); #160/159 from Crown Zenith (Secret Rare, about $44–$60); #TG05/30 from Lost Origin Trainer Gallery (Rare, about $41–$55); #43/95 from Team Magma vs Team Aqua (Common, about $27–$35); #124/165 from Expedition Base Set (Common, about $22–$29); #94/123 from Mysterious Treasures (Common, about $17–$23); #57/108 from Power Keepers (Common, about $15–$21); #60/106 from Emerald (Common, about $14–$19); #70/111 from Neo Genesis (Common, about $13–$18); #78/110 from Holon Phantoms (Common, about $13–$18); #72/100 from Sandstorm (Common, about $13–$17); #61/90 from Undaunted (Common, about $11–$16); #70/100 from Stormfront (Common, about $10–$14); #78/123 from HeartGold SoulSilver (Common, about $10–$13); #74/112 from FireRed & LeafGreen (Common, about $9–$12); #120/147 from Supreme Victors (Common, about $8–$11); #71/99 from Arceus (Common, about $6–$8); #60/64 from Jungle (Common, about $6–$8); #86/110 from Legendary Collection (Common, about $6–$8); #70/100 from Majestic Dawn (Common, about $6–$8); #27/111 from Furious Fists (Common, about $5–$7); #5/25 from Celebrations (Holo Rare, about $5–$7); #56/236 from Unified Minds (Common, about $5–$6); #39/99 from Next Destinies (Common, about $4–$6); #50/149 from Boundaries Crossed (Common, about $4–$5); #26/83 from Generations (Common, about $3–$5); #RC29/83 from Generations (Ultra Rare, about $3–$5); #42/146 from XY (Common, about $3–$4); #87/130 from Base Set 2 (Common, about $3–$4); #30/111 from Crimson Invasion (Common, about $3–$4); #28/73 from Shining Legends (Common, about $2–$3); #55/236 from Unified Minds (Common, about $2–$3); #66/236 from Cosmic Eclipse (Common, about $2–$3); #028/78 from Pokémon GO (Holo Rare, about $2–$3); #052/196 from Lost Origin (Common, about $2–$3); #54/214 from Unbroken Bonds (Common, about $2–$3); #20/108 from Roaring Skies (Common, about $1–$2); #19/68 from Hidden Fates (Common, about about $1); #35/108 from Evolutions (Common, about about $1); #40/147 from Burning Shadows (Common, about $0.90–$1); #48/162 from BREAKthrough (Common, about $0.90–$1); #65/202 from Sword & Shield (Common, about under $1); #049/195 from Silver Tempest (Common, about under $1); #49/203 from Evolving Skies (Common, about under $1); #027/78 from Pokémon GO (Common, about under $1); #051/162 from Temporal Forces (Common, about under $1); #025/165 from 151 (Common, about under $1); #055/217 from Ascended Heroes (Common, about under $1); #018/91 from Paldean Fates (Common, about under $1); #062/193 from Paldea Evolved (Common, about under $1).

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