San Marino STEREOSCOPE Postcard with 3-D Stereo Stamps!

STEREOSCOPE POSTCARD

With 3 sets of stereo stamp pairs!

For stamp, postcard and/or stereo collectors!

Very unusual postcard which is easily folded out into a stereoscope with which to view the included stamps in 3D.
Comes with plastic lenses, directions and a round Sigillo seal. Issued in 2009.