No Longer Available - GB 1958 SG573var Mint “Dollis Hill Phosphor Trial“ all over yellow phosphor

Stock Code: P11205143

1958 2d Light red brown “Dollis Hill Phosphor Trial“. Very fine perforated horizontal pair on gummed unwatermarked specially prepared handmade paper, with an all over yellow phosphor showing a strong phosphor responce. Experiments with yellow phosphor were short lived due to fears of toxicity of the phosphor ink. Very scarce. Spec. ST5(5).


Shipping to the UK: Free

Sorry - this product is no longer available.

View alternatives