The BIN sale is for 1pcs Acorn part number 2201,239, which is the main Master 128 MegaROM, containing MOS 3.20. It also has the utilities built in such as 1770 DFS, ADFS, View, Terminal etc.
Ideal to replace a faulty one in your machine, or as a spare.
The item photo is representative of the item you will receive, but they all have exactly the same Acorn part number, with the same contents. They also come from different manufacturers (VTi, Fujitsu, Sharp etc.), or have a different date code.
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** You will not be disappointed! **
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