1952-59 Ford 54 Ford Customline Dash Speaker Size?

What size will fit right in the original dash mount?
Trikepapa-RonC

 

They are 6"X9" front and rear both. I have what you need, UPDATE: He bought a Best Buy special B4 He saw my post anyway I have a 1006 Custom Autosound speaker http://vintagevibes.net/Speakers/DVC_speakers.htm fits 47-59 Fords asking $25+ $15 USPS priority mail shipping,I decided not to use the dash speaker since I went with a Pioneer in dash and sold the old AM radio.