replacing a ignition switch lost keys 67'

update: Thanks guys i took a drill bit straight through where the key slot was. very soft metal and the whole thing just poped right out. Installed the new iginition tumbler and should be ready to go.

This fish hasn't ran in ten years so wish me luck on start up within the next wk or so.
So far replaced timing chain, oil/filter, checked plugs and sprayed some fogger in the cylinders. In the process of putting the rediator, fan, pully stuff back on. Oh and still need to drain the varnished gas out of it. So if you guys have any tips and tricks by all means. Thanks again