Did Altec make a 10" pancake speaker?.

I am looking for info about this speaker,#s on the cone CP 4258,#s on the frame,60025-1, 719, 921, and 8ohms, I already have the spec's on the 755a,b.c,d,e, 8" pancake spkr,Did Altec make a 10"Pancake?,See vidcaps,

http://www.picture-at.com/pt/10755.jpg

http://www.picture-at.com/pt/10758.jpg

Thanks,Just found this place today,It will take awhile to learn how to get around this site.