Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151
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Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 collector guide
About Ancient Gear Golem
Ancient Gear Golem is an Effect Monster, printed as RA03-EN151 in Quarter Century Bonanza (2024) as a Platinum Secret Rare. It is a Level 8 EARTH Machine monster with 3,000 ATK and 3,000 DEF. At its Level it needs two Tributes to Normal Summon. Its ATK is the 6th highest of the 179 monsters in the set. Quarter Century Bonanza, released in late 2024, mixes classic cards from the original series with modern staples, each in several rarities including Quarter Century Secret Rare and Platinum Secret Rare. Ungraded, this printing ranks 394th of the 968 Quarter Century Bonanza cards we track. The top card is Blue-Eyes White Dragon at €192.99.
Character and collecting appeal
Machines range from early robots to modern archetypes, and the Type has a loyal following. Its text is about Special Summoning and dealing damage.
Version and identification
Check the code printed below the artwork on the right: it should read RA03-EN151. RA03-EN151 is the English printing. Other languages use their own letters in place of EN, such as DE or FR, and are priced separately. It is the Platinum Secret Rare version. Platinum Secret Rares are a newer Secret Rare variant with a platinum-coloured finish. Quarter Century Bonanza has one other printing of Ancient Gear Golem: RA03-EN151 Quarter Century Secret Rare (€16.41). Each has its own price, so match the code, edition and rarity exactly.
Price history
Today an ungraded copy of this printing sells for about €2.57, a PSA 9 for €13.96 and a PSA 10 for €43.04. Our monthly prices for it go back to November 2024. Over the last 12 months ungraded copies are down 18%, and down 30% in the last month. Its highest monthly ungraded value was €6.00 in May 2026, 57% above today. PSA 10 copies have moved down 10% over the same 12 months.
Grading and population
A PSA 10 sells for 16.7× the ungraded price and 3.1× a PSA 9. That gap is small, so grading fees may outweigh the gain unless the card is for your own collection. Even pack-fresh modern cards can have surface scratches or curling foil, so a 10 is never guaranteed.
Investment potential
In its favour: a price well below its May 2026 peak, which some collectors see as room to recover; an active market (26 recent completed sales), so it is easy to sell. Against it: falling prices, down 18% in a year; large modern print runs, which tend to cap prices unless a card becomes iconic. Past prices do not guarantee future ones. This is not financial advice.
Before you buy
Expect to pay around €2.57 for a clean ungraded copy; played copies sell for less, and a PSA 9 costs about €13.96. Ask the seller to show the code RA03-EN151 and the Platinum Secret Rare finish clearly in the photos, as listing titles often mix up printings. Modern foils can be scratched or curled straight from the pack, so check the surface under a light if you plan to grade.
Card details and image from YGOPRODeck. Yu-Gi-Oh! is a trademark of Konami; Search Cards is not affiliated with Konami.
Most popular Quarter Century Bonanza cards
How much is Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 (Quarter Century Bonanza) worth?
As of , an ungraded copy of Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 from Quarter Century Bonanza sells for about €2.57 (about $2.88), a PSA 9 for about €13.96 (about $15.66) and a PSA 10 for about €43.04 (about $48.27). These values are based on 26 recent completed sales, the latest on 21 Oct 2026. Ungraded values are down 18% over the last 12 months and PSA 10 values are down 10%. A PSA 10 sells for 16.7× the ungraded price.
Prices are market values from completed sales, shown in euros (converted from US dollars) and updated every few hours.
Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 FAQ
How much is Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 (Quarter Century Bonanza) worth?
Ungraded, Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 (Quarter Century Bonanza) is worth about €2.57 (about $2.88). A PSA 9 sells for about €13.96 (about $15.66). A PSA 10 sells for about €43.04 (about $48.27). Based on recent completed sales as of 23 Oct 2026.
What is a PSA 10 Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 worth?
A PSA 10 Gem Mint Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 (Quarter Century Bonanza) recently sold for about €43.04 (about $48.27), down 10% over the last 12 months. Its highest monthly PSA 10 value was €56.96 in April 2026.
Is Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 (Quarter Century Bonanza) worth grading?
A PSA 10 sells for about 16.7× the ungraded price (€43.04 vs €2.57). The gap is small, so grading fees may outweigh the gain for most copies.
Is Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 (Quarter Century Bonanza) going up in value?
Ungraded Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 values are down 18% over the last 12 months and down 30% over the last month. The highest monthly ungraded value was €6.00 in May 2026.
When was Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 (Quarter Century Bonanza) released?
Ancient Gear Golem [Platinum Secret Rare] #RA03-EN151 was released on November 7, 2024 as part of Quarter Century Bonanza.