Boxed blank cards
Here are the images on my current series of printed, boxed cards. 1 of Mt. Sopris, 1 of Highlands/Pyramid Peak in Aspen, and 2 of Maroon Bells, the iconic images of the Roaring Fork Valley in Colorado. The boxes have 8 cards, 2 of each scene, and include 8 envelopes. They sell for $12 each, plus $3 per box shipping.