SG172 1899. Experimental Registered envelopes, one used, one mint with precise instructions on how to use - addressed to Major Evans.

SG172 1899. Experimental Registered envelopes, one used, one mint with precise instructions on how to use - addressed to Major Evans.
Stock Number: 315800
Availability: In Stock
Catalogue Number: 313
SG Number: SG172
Price: £500.00
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SG172 1899. Experimental Registered envelopes, one used, one mint with precise instructions on how to use - addressed to Major Evans.

Not seen before! Rare.