Jason's Gem

Jason’s Gem – Sinclair ZX Spectrum 48K Cassette

Status: Untested • Sold For Parts or Not Working • Collector/Display Item

Overview

Vintage Jason’s Gem cassette for the Sinclair ZX Spectrum 48K home computer. [Publisher: Firebird? Confirm.] [Release year: 1985? Confirm.]

Condition

Grade: Good cosmetic condition overall, exhibiting normal age-related wear such as minor surface scuffs and edge fading. Please examine all listing photos carefully; they form part of the description. Condition terminology is subjective and intended as guidance only.

Ownership & History

This cassette is at least second-hand; I am not the original purchaser and prior storage conditions are unknown.

Testing Status

Not tested. Due to time constraints, I do not test every cassette-based title. This item is therefore listed in the “For Parts or Not Working” category and should be assumed non-functional unless you test it yourself.

Age & Media Considerations

Magnetic media from the 1980s typically has an expected lifespan of 10–20 years; this cassette is well beyond that window (30+ years old). Tape degradation—stretching, dropouts, oxide shedding—can occur. Attempting to load aging media may leave residue in your tape deck or computer hardware and could affect future performance.

Use at Your Own Risk

Offered primarily as a collector’s or display piece. If you choose to load or play the cassette, you do so entirely at your own risk. I cannot accept responsibility for any damage, malfunction, residue cleanup, or repair needs resulting from use of this vintage software.

What’s Included

• Game cassette [plus original case / inlay / manual / any additional inserts—if shown in photos].
  Please refer to the listing photos to confirm exactly what’s included.

Combined Shipping

Combined shipping available where practical. Add multiple items to your basket and request a combined invoice, or review the shipping information below for full details. I’ll consolidate shipments when possible to help reduce postage costs.