The first card is a Francis Kies photo, image #CT-2352 and card #24772-D. The back tells us:

"Reflection of Mt. Hood on Lost Lake, as seen in this most unusual late afternoon summer scene."

The second card is an Ed Cooper photo, image #2361 and card #B-44545-D. The reverse says:

"Mount Hood, 11,245 feet tall, Oregon's tallest mountain, and its reflection on Lost Lake."

Both cards are die-cut and measure 4 x 5 7/8 inches. Clean, with no writing or mailing, and no tears or creases.