Vintage BIG Old Colorado Postcards Seven Falls Balanced Rock Car SBCo

2 old oversized postcards - measure abt. 5 1/2" x 6 1/2".
Publisher SBC Denver.
Not posted or written on.  Space for "1 cent stamp, with message 2 cents".
Subjects are:
112. Seven Falls Colorado Springs, Colo.
113. Balanced Rock, Garden of the Gods, Colo.
Condition - Real good color, but both have some wear & marks & a bent corner on the Seven Falls card.
Guessing age is around 1920's but not sure.
Shipping included in price to anywhere in the USA.