Mirro-Krome is a trade name for the early high gloss photochromes manufactured by the H.S. Crocker Company (San Francisco CA). These date to the mid 1950s. They're unposted. Some visible wear along edges due to age and handling.

The flowers depicted are:

American Beauty Rose (HSC-15)
Blossom of the Columbine (HSC-11)

Hibiscus (HSC-17)

Single owner. Stored in non smoking home for over 60 years.

Selling "as is." See photos as they are part of the description. Ask any questions before purchasing. Good luck!