Did you want your PSA Credit card? Starting in the late 1950's, and through the 1970's with a PSA credit card, you could write your own tickets for travel on PSA.

Instant travel card, 1980s

1976 credit card application, back

1976 credit card application, front

1971 Credit card application, back

1971 Credit card application, front

1950s travel card (2)

1950s travel card (1)