1897 Halftone Print Caura Orinoco River Travelers Venezuela Historic Image XGQA9 GL1 This unique tonal range comes

This unique tonal range comes from photogravure's variable depth of etch --the shadows are etched many times deeper than the highlights unlike the halftone processes that merely vary dot size

There is some light aging in the margins and a chip in the top left corner --please see image

and flotation bags

This is an original 1915 6-page halftone print set (two pages double-sided

This is an original 1930 black and white print ad for the S

1897 Halftone Print Caura Orinoco River Travelers Venezuela Historic Image XGQA9 GL1 This unique tonal range comesThis is an original 1897 duotone halftone print of the Caura river and road of the Orinoco River in Venezuela. CONDITION This 114+ year old Item is rated Near Mint Very Fine. Light aging throughout. Light creasing. No natural defects. No tears. No water damage. Product Type: Original Halftone Print; Duotone Grade: Near Mint Very Fine Dimensions: Approximately 6. 5 x 4. 5 inches; 17 x 11 cm Authentication: Serial Numbered Certificate of Authenticity w