The Cardsmiths Currency Series 5 #52-SP Relative Strength Index (RSI) trading card is a rare gem within the non-sport trading card market. With a limited print run of 199, this original English-language card features a stunning gemstone refractor design that sets it apart from the rest. Manufactured in 2025 by Cardsmiths, this collectible card is a valuable addition to any trading card collection, boasting unique features like being an insert and part of a parallel/variety set.