Part X Wastebasket Composite Categories

Ghost
images

      Progressive,
indirect design transfer

      Worn
clash marks

      Thin
planchets

       Split planchets

          split-before-strike

          split
after-strike

      Coins
thinned by strike(s)

      Weak
strikes (CW 4/11/2011)

      High
pressure strikes

      “Greasy
ghosts” (CW 7/5/10)

      Surface
film afterimage (CW 5/2/11)

      Surface
film transfer (CW 5/2/11)

      Split-line
afterimage (CW 5/2/11)

      Coarsened
crystallite afterimage (CW 5/2/11)

      Other
causes

Doubling

       Die
Deterioration Doubling

          Raised

          Incuse

          Machine
Doubling; (a.k.a. machine doubling, machine doubling
damage, machine damage doubling,                           mechanical doubling, strike doubling, shift
doubling, ejection doubling) (ES, July/Aug 2006; CW 3/15/10)

                 Push
doubling” (marginal shelving and sharp interior duplication)

                “Slide doubling” (smeared
design)

                Multiple machine doubling in one
direction (two, three, and four serried ranks)

                Machine doubling in more than
one direction (up to three directions)

                Machine doubling on both faces
of same coin

                One-sided, rim-restricted design
duplication (see separate category)

                Incuse
machine doubling (CW 1/16/12)

      “Abrasion
doubling” (largely a myth)

      Split-line
doubling

      Surface
film doubling

      Doubling
associated with grease strike

      Longacre
doubling

      Laser-etching
doubling on proof dies (CW, 2/21/2011)

      Plating
disturbance doubling (CW, 3/28/2011)

      Other forms of
doubling

Embedded matter (CW 12/14/09)

         Poured-in

          Slag

          Intrinsic
metallic inclusion

      Rolled-in

      Punched-in (by
blanking die)

      Squeezed-in (by
upsetting mill) (CW 9/6/10)

          Struck-in