The 220 SP was made from 1971 to 1977. It has a matt brushed black body, platinum-plated trim and a 14 carat gold nib with a rhodium-plated surface. Rhodium-plated or platinum-plated nibs are not made of rhodium or platinum but of ordinary yellow gold with a very thin coating; gold-plated or platinum-plated caps, clips and rings are likewise no more than plated. The precious-metal content therefore plays no part in the value.
The 220 was not a Meisterstück but a standard writing instrument a step above the school pens, and it was built in large numbers; exact production figures are not known. The SP version turns up about as often as the 220 and the 220 P and so commands no premium.