CSC Collector Guide · Baseball
Shohei Ohtani
2018 Topps Chrome #RA-SO Rookie Autographs - base autograph
The autograph code does the sorting here. Ohtani's 2018 Topps Chrome RA-SO belongs to the Rookie Autographs checklist, a different collecting lane from a Chrome base card with a checklist number. Start with that code, then let the photograph and label confirm the version.3, 4
Quick Facts
- Player
- Shohei Ohtani
- Sport
- baseball
- Year / season
- 2018
- Manufacturer
- Topps
- Set / product
- Topps Chrome
- Card Number
- RA-SO
- Variation / parallel
- Rookie Autographs - base autograph
- Autograph
- FACTORY AUTOGRAPH
- Relic
- NO RELIC
- Serial denominator
- Not serial numbered
- Rookie status
- ROOKIE
This is Shohei Ohtani’s 2018 Topps Chrome Rookie Autographs RA-SO base factory autograph, considered across all conditions rather than a particular grade.
The scope excludes #150, 83TA-SO, refractors, relics, aftermarket signatures and later reprints or reissues. No serial denominator is asserted.
Sources
Identification
Match 2018 Topps Chrome, Shohei Ohtani, #RA-SO and the Rookie Autographs - base autograph version together.3, 4
Why This Card Matters
RA-SO gives a rookie-year Ohtani collection a defined autograph entry. The signature is part of the manufactured issue's identity; the guide is not describing a base card that somebody later signed.3, 4
Recent Player Performance
Evidence captured . Freshness deadline: .
Evidence freshness window expired. This is dated player context; current facts require rechecking.
Ohtani recorded a 1.79 ERA over 85⅔ innings in the 2026 regular season.2
What Has Changed Recently
The September 23 activation returned Ohtani from the injured list following right biceps inflammation. It is a recorded transaction, not a promise about future pitching assignments.1
Why Collectors Care
A manufactured rookie autograph can occupy its own place in an Ohtani collection, alongside unsigned issues rather than replacing them. The pleasure is in the different object and checklist history; current player news adds a dated career chapter around it.3, 4
Card and Set Context
The manufacturer checklist uses RA-SO, while the retained PSA certification formats the number as RASO. Those are documented presentations of the same code. The target remains the base Rookie Autograph, with no serial denominator supplied for this identity.3, 4
Grading and Condition
Inspect the autograph area, full surface and holder description together. A signature visible in a photograph does not by itself prove the product or parallel, so keep the back code and original issue identification in view.3, 4
What Collectors Are Watching
Watch confirmed starts and workload in official game records. Separate a transaction date from what a subsequent game actually records.1
Current eBay Listings
As an eBay Partner, I may be compensated if you make a purchase.
Current asking prices are marketplace listings, not verified sales or appraisals.
Marketplace listings retrieved .
Best Matches
No high-confidence exact listings were found in this snapshot. Explore the search results and verify each item’s identity.
Collector Questions
Are RA-SO and RASO necessarily different cards?
Sources & Research
- CURRENT-01 — Shohei Ohtani baseballsavant.mlb.com · retrieved 2026-10-16T14:28:53.844429+00:00
- Shohei Ohtani 2026 regular-season hitting and pitching MLB Stats API · retrieved 2026-10-16T00:13:48.408728Z
- 2018 Ohtani Rookie Autograph RASO specimen PSA · retrieved 2026-10-14T19:13:18Z
- 2018 Topps Chrome Rookie Autographs RA-SO checklist Beckett · retrieved 2026-10-13T23:16:03Z