CLOSED FOR THE HOLIDAYS. Medals ordered after 27 November that require mounting will not be back until some time in January due to holiday closures. The Museum and Mercury Shop will be closed starting 13 December 2024 reopening on 06 January 2025. During this time online orders can be placed and will be fulfilled when we return.
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CLOSED FOR THE HOLIDAYS. Medals ordered after 27 November that require mounting will not be back until some time in January due to holiday closures. The Museum and Mercury Shop will be closed starting 13 December 2024 reopening on 06 January 2025. During this time online orders can be placed and will be fulfilled when we return.
Cart 0
Pen writing
Pen size
GL-00090

Spy - Invisible Ink Pen

$7.75 $0.00

This clever spy pen lets you write secret messages only revealed by the built in U.V. light! Perfect for any budding spy and great for party bags. Comes with a handy hook so you can keep it safely attached to a pad of paper.

Cost is per pen.

Goes great with our Top Secret Notebook!