The Igor Gorski Collection of R.S.F.S.R
February 20, 2014
| Images | Description | Current Bid |
 | Lot #3290 R.S.F.S.R. 1923 Philately for Labor 1923 gold overprint and surcharge inverted, lower left sheet corner margin block of four, h.r. at top, bottom stamps n.h., v.f., with 2006 Mandrovski certificate. One of the only two recorded blocks of four with inverted gold surcharge (Zverev $10,000)  */**Catalog #96Tb | Unsold |
