Lot 1413
1918, 3¢ purple Offset, type IV, double impression (530a), tied by Stanford University, Cal. c.d.s., April 8, 1919, on cover to San Francisco; small sealed opening tears at upper left, otherwise Very Fine. The only recorded use of the double impression on cover.
Estimate 1,500 - 2,000
Expertization: 2000 A.P.S. Certificate.
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| Realized $2,300 |
