woodbury-type

from The Century Dictionary.

• noun A photomechanical process in which a matrix is produced from a negative on a plate of bichromated gelatin, hardened in alum, and transferred under very heavy pressure to a surface of metal.
• noun A picture produced by this process.

from the GNU version of the Collaborative International Dictionary of English.

• noun A process in photographic printing, in which a relief pattern in gelatin, which has been hardened after certain operations, is pressed upon a plate of lead or other soft metal. An intaglio impression in thus produced, from which pictures may be directly printed, but by a slower process than in common printing.
• noun A print from such a plate.