Sometimes these old B-15 switches can be cleaned up with some deoxit or repaired. So only order one if you have to. It can save you the cost+shipping.
At times these switches can be hard to find. They have some NOS ones here
in both colors.
Tell them what amp you have to verify that it is the correct switch before you make the purchase. NOS switches can sometimes come with oxidation on them and might need cleaning.