Riverside Stamps

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Suspect Scott #386 Unused Pair.

This is a moderately expensive stamp that catalogues for $300 as a hinged pair.  This stamp can be made by adding perforations to a trimmed imperforate #384, adding perforations to the top and bottom of the #384V imperforate coil, trimming the perforations from the left and/or right edges of a perforated #375 or trimming the perforations from the left or right edges of a #375a booklet pair.

The watermark is double line, inverted normal that reads horizontal which would make the suspect a #349 instead of the #386 which is single line watermarked.  With the watermark being horizontal it eliminates the possibility of the suspect being a booklet pair which would have a watermark that reads vertical.

   

The Scott #349 is a moderately expensive stamp that catalogues for $240 as a hinged pair.  This stamp can be made by adding perforations to a trimmed imperforate #344, adding perforations to the top and bottom of the #344V imperforate coil, trimming the perforations from the left and/or right edges of a perforated #332 or trimming the perforations from the left or right edges of a #332a booklet pair.

The suspect’s perforations were overlaid on an Instanta gauge.

As can be seen the top and bottom perforations are way off the mark gauging out at 12.06 and 12.00.  The center perforations are more like the correct 11.93 but are too round, any deformation seen in the center perfs are in the wrong place and the perforations are not on a level plane.  The top and bottom perforation holes and tips are also suspect.  The images below show the point.

In conclusion the suspect is an imperforate pair of #344 with fake perfs added.

Reference material used: 

  • The Expert's Book. A practical guide to the authentication of United States stamps. By Paul W. Schmid.
  • How to Detect Damaged, Altered and Repaired Stamps. By Paul Schmid

As always comments and suggestions are always welcome. To Contact Riverside


To Contact Riverside Stamps:
Email:
Mike Girard - Owner / Operator / Web Master: g1rardmn1099@comcast.net


I am a member of the American Philatelic Society

Member of APS
APS #: 205494
Visit the American Philatelic Society
Website at www.stamps.org

I am a member of the United States Stamp Society

Member of the USSS
USSS #: 16733
Visit the United States Stamp Society
Website at www.usstamps.org

I am a member of the Perfins Club


Perfins Club #: 4266
Visit The Perfins Club
Website at https://www.perfins.org/