Page 11 of the 1969 Fender catalog gives descriptions and specifications for a number of guitars and amps that are pictured on page 8. These are the Duo-Sonic, Musicmaster guitars and two sets (guitar + amp): Champ Set, Studio Deluxe Set. This was the final catalog inclusion of the Duo-Sonic.
May 1969 (US) prices for these instruments were as follows: Duo-Sonic $189.50 (case $37.50); Musicmaster $154.50 (case $37.50); Champ set (guitar, case and Fender Champ amp) $199.50; Studio Deluxe set (steel guitar with legs, case and Fender Princeton amp) $349.50.
Compare the price of these steel guitars to the rest of the Fender steel range on pages 12-13.
$3350
$3495
$3390
$3299
$1595
$2500
$3499
$6300
$4000
$2150
$3950
$4995
$4200
$1300
$3800
$1495
$8395
$2695
$4900
$1799