1922 Philately for Children opt set 1k-10k inc 1k perf & imperf, opts reading down, from later printing. VF fresh M/MLH. SG 273-8 cat £2080. Mi 185-89 cat €2100 MNH. Only on sale for 1 day in Moscow at 5 million times FV! 80% of which was a tax for juvenile welfare. 2020 Hovest photo cert for both key 1k. (6) (P) (Image1)

Estimate AU$600

1922 Philately for Children opt 1k orange imperf, opt reading down, from later printing. VF fresh MLH. SG 273 cat £1000, Mi 185A cat €1000. Only on sale for 1 day in Moscow at 5 million times FV! 80% of which was a tax for juvenile welfare. 2020 Hovest photo cert. (P) (Image1)

Estimate AU$300

1922 Philately for Children opt 1k orange imperf, variety opt inverted (reading up), from later printing. Superb fresh MNH. SG 273(var) cat £1000 as normal, Mi 185BK(var) cat €700 for M, should be at least double, €1400 MNH. Only on sale for 1 day in Moscow at 5 million times FV! 80% of which was a tax for juvenile welfare. Exp, plus 2020 Hovest photo cert. (P) (Image1)

Estimate AU$600

1922 Philately for Children opt 2k-10k, all error opt inverted (reading up), from later printing. VF fresh MNH. SG 274-7(var) mentioned in footnote but unpriced, Mi 186-89K cat €2100 for M, should be at least double, €4200 MNH. Only on sale for 1 day in Moscow at 5 million times FV! 80% of which was a tax for juvenile welfare. Very rare. Exp Dr P Jem, plus 2020 Hovest photo cert. (4) (P) (Image1)

Estimate AU$1,000

1964 Olympics 1R olive-green background, imperf M/sheet. VF fresh MNH. Mi Blk 33 cat €250, SG MS3024c cat £425. (P) (Image1)

Estimate AU$200