I shipped all the keys out this past Friday.
One member that lives very close to me received his key and told
me that it will not fit his 1977 911.

After much more research, I just found out that this key fits 1970 to 1974
not 1970 to 1990 as I was told by the key distributor.

When you all receive your key, please check the key blank
against your existing key to make sure all the cut lines and recesses
match it will fit in your ignition. Please do the before you go down
to the locksmith to cut it.

If you do have a problem, email or PM me and I will exchange
the key.

Sorry for the inconvenience