The S30 is the most standard game card stock used across many card games and has a smooth finish.
Plustek SmartOffice S30 High Speed A3 Large Format Duplex Document Scanner, with 100-Page Auto Document Feeder (ADF). Scan 12” x 17” Size or
Little Cuties Mini Poker Cards and Pins by Christopher Lee — Kickstarter
Sculpfun S30 Ultra 22W laser engraver review - awesome, though expensive - The Gadgeteer
Sculpfun S30 Series – sculpfun
Yamaha YDP-S30 Home Digital Piano with Graded Hammer Standard Keyboard
SCULPFUN S30 Pro Max 20W Laser Engraving Machine – Pergear
The Anatomy of a Card - Everything You Need to Know About Card Stock, Finishes, and Treatments — Pine Island Games
CLASSIC Smooth Card S30 (Plastic Box) Cards
2021 Parkside NWSL Sofia Huerta OL Reign Stars Card #S30 VOL. 2 MINT