Mail art call from Patagonia, Argentina : Borders

The Direction of Visual Arts of the Secretary of State for Culture of the province of Santa Cruz summons visual artists to participate in a mail art exhibition in August 2018 in the city of Río Gallegos.
Those interested should send one or more works related to the topic “borders", via postal mail, to:
Complejo Cultural Santa Cruz 
Ramón y Cajal no. 51, Río Gallegos (Z.C.9400), 
prov. of Santa Cruz, Argentina. 
All techniques (drawing, engraving, painting, collage, digital art, photography, etc.) will be accepted in postal size (10 X 15 cm).
The works received will become part of the heritage of the Secretary and will also be published on its website.
Also, the following information must be attached: Name and surname, ID, mail, postal address.
Shipments will be received until July 29st.
Queries to muestrasartesvisuales@gmail.com or Facebook.com/artesvisualessantacruz.