Sepia real photo postcard of the aviary at Johannesburg Zoo, South Africa. Two large domed iron-and-glass bird cage structures are set in landscaped parkland with mature trees behind and visitors on the paths. Caption: "Aviary, Johannesburg Zoo." Card no. 501,261-VV. Published by Valentine's, 117 St. George's Street, Cape Town. Mailed Johannesburg July 20, 1933. South Africa 1d red bilingual stamp. Addressed to Milano, Texas, USA.