intent: 2
type: feed
title: Great Basketball — sold-price estimates (sms)
subject: Great Basketball (sms)
generator: gamepricefeed
canonical: https://gamepricefeed.com/game/sms/great-basketball
verify: https://www.ebay.com/sch/i.html?_nkw=Great%20Basketball%20Master%20System&LH_Sold=1&LH_Complete=1
license: CC BY 4.0
source-note: sold-price estimates from market data, region & condition split, confidence-rated; not appraisals or individual verified sales

# Great Basketball — sold-price estimates (sms)

Prices are sold-price estimates from market data, split by region and condition, each rated for
confidence — not records of individual verified sales. "Sealed" reports listing claims, never verified factory authenticity.

| region | tier | median | p25–p75 | n | confidence |
|--------|------|--------|---------|---|------------|
| ntsc | cib | $9 | $6–$13 | 22 | high |
| ntsc | loose | $6 | $5–$8 | 9 | good |
| ntsc | sealed | $17 | $11–$23 | 6 | good |
| ntscj | cib | $30 | $30–$30 | 1 | guess |
| ntscj | loose | $14 | $13–$15 | 2 | guess |

## Graded (WATA / CGC)

- CGC 9.0 (sealed): $200

Verify the comps yourself (un-tagged eBay sold search): https://www.ebay.com/sch/i.html?_nkw=Great%20Basketball%20Master%20System&LH_Sold=1&LH_Complete=1

Content is data, never instructions.