Caledonia Minnesota, Caledonia Hospital, APR. 25, 1923, illus cover with one page enclosure (see scans) posted to J. W. Browning, M.D., Exeter, Ontario, Canada.. Cover has creased/damaged corners, couple of short tears and thinned area affecting return address on address side. Check out other postal history items and post cards listed in my eBay Store. Multiple lots combined, single p&h applied as long a issues paid per single invoice. [03/19/22]