https://www.ebay.com/itm/352545810886

Ebay AD price-- US $12.99

See cutaway diagram

SPORTSMOBILE 1973 Barth Town and Country family wagon.
All 'round transportation...and cross country pleasure.
Top pops up in seconds for 7' ceiling---upstairs bedroom.
Lowers for streamline cruising and garaging.
Sleeps 2 to 6.
Beautiful, functional design!
Price stars at $4900.00

Sportsmobile
1114 Main
ANDREWS IND.
467022

Interesting Barth in this ad. A 73 long with tag axle and bubble top, which I've never seen on anything but service Barths. I'd love to have that one.