I adore vintage apron patterns. I have a large collection, and have scanned the covers of a few to use them as decorations on the walls of my sewing room. Here is a gallery of photos. Sorry for the slow load times, but I’ve included full-resolution pictures in case you want to print them.
McCall's 1713
A love 'utility' apron with large pockets
Simplicity 4858
McCall's 1877
Advance 5883
A 'hostess' apron
McCall 1124
McCall 1598
This is by far my favorite apron pattern cover.
McCall's 2264
Some Christmasy 50's goodness here
McCall's 2199
Gir's apron
McCall 1481
This shows you the condition of the original pattern envelope. The next picture shows it after I've cleaned it up in Photoshop
McCall 1481
Lovely embroidered aprons for the man and the woman
McCall's Sample - no pattern number
The hostess with the mostess
Butterick 8794
I just love this pattern. Edging on groovy, and has the Lucille Ball lookalike model
McCall's 1991
Adorable holiday hostess aprons
McCall's 1799
Another example of pre-cleanup of the apron cover.
McCall's 1799
Definitely not meant for washing the dishes