Vintage postcard of 200-inch Dome
Palomar Observatory First Day Cover Envelope
Palomar Mountain Observatory 1948 3¢ Stamp
Fall at Palomar Postcard
Winter at Palomar Observatory Postcard
Art Deco 200" Dome Greeting Card
Milky Way Over Hale Telescope Dome Greeting Card
200-inch Dome in Winter Postcard
Hale Telescope Looking North Postcard
Zwicky Transient Facility Postcard
Hale Telescope Looking Up At Secondary Mirror Postcard
200-inch Dome Pastel by R. W. Porter Postcard
Palomar at Night (3 Domes) Postcard
Hale Telescope and Open Dome Postcard
Starry Dome Greeting Card
