SG434 Wi.1929 ½d. Green. Postal Union Congress.

SG434 Wi.1929 ½d. Green. Postal Union Congress.
Stock Number: 307561
Availability: In Stock
SG Number: SG434
Price: £300.00
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SG434 Wi.1929 ½d. Green. Postal Union Congress.

Unmounted, marginal block of 9 with plate markings under jubilee line, R20/7 and R20/8 from plate 1. Sheet inverted watermarks are rare.