Mammoth Cave National Park, historic entrance (Kentucky, USA)

Mammoth Cave National Park, historic entrance (Kentucky, USA)

Unused H.S. Crocker card DT-40109-D (NPC-6-D).  A name and 1986 date are written at the postage area.  Grade: 3

Name: Mammoth Cave National Park, historic entrance (Kentucky, USA)

From: THEMES/National, State, Provincial Parks

Code: 31100457

Price: $0.50