Hey, Wait!!!! Try this first!!!!!!!!!
Way #1 - Actually, To get new Original keys is quite easy, and you don't have to do much...First, If any original material came with the car such as Original owner's manual (Make sure VIN matches!) or an original bill of sale to the car... The KEY CODES for the door/ignition and the Trunk are usually on there on both usually. They are listed as an example: "FE321, FA567" In this type of format... Don't have original papers to the car to get these numbers you say??!?!?!???? Then don't worry. The car has them!!! Yes, That's right!!!
A. You don't even need to mess with your ignition switch. Take off your driver's side door panel, Then take out the driver's side door lock. Stamped ONLY on the driver's side door lock is the key number to the Ignition/Doors. Look on the side of the lock, Usually is stamped like: "FE321" as an example number..It is located on the side of the tumbler entry where the pins go in near the top of the cylinder..They should be seen as plain as day!!!
B. The trunk lock has the Key number such as "FA567" stamped on it too, The only problem is with the trunk lockis that.. You'd have to take out the cylinder to see the number...hence needing a key....so you could just take out the whole trunk lock and bring it to the locksmith, or order a whole new trunk lock assembly. Kind of a bummer...
Once you get the Key Code number such as "FE321" from the Driver's side door lock, Just take that Key Code number and the entire trunk lock (which is still locked) to a very good reputable locksmith. He will look up the code in a book (Which are still readily available), and cut you a new key to the car!!!!!!! Problem solved...While he is cutting you a new key by code, He can fabricate a new key for your trunk lock, or pick open the trunk lock and take out the cylinder, and look at the Key Code number once the lock is picked open and cut a new trunk key for you as well.. This is what I suggest first... This way, You don;t have to replace all of your locks...and you bring the stuff to him..and keep it all original!!!!!!

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Way #2 - Replace the entire switch, Then buy a whole NEW set of matched locks.
Way #3 - As stated above, You can take the switch out and mount it in a vise, and just drill out the tumbler.. It works well, Then just replace the ignition tumbler, Then buy a whole NEW set of matched locks.
Obviously, #1 is the easyiest I suggest...Especially, If you're not good at repinning (luckily I am)...and don't want to goto a locksmith...
Since you have no keys all.. You might as well just replace all the locks...Probably the easyiest way, but try #1 first!!!!!!!!!
Tony Kovar
1966 Sprint 200 Convertible
MCA#70001