Greatest Costa Rica stamps ever auctioned from the Frederick R. Mayer Collection

1940 5c-10Col Pan-American Health Day, without overprints

Costa Rica stampsSet of all fourteen postage and air post issue. These issues were originally issued for the American Congress of the Child, but the issue was cancelled at the outbreak of World War II. The issue was then overprinted in 1946 to commemorate the Pan American Health Day. o.g., n.h., 1.35Col with small tear, 25c and 10Col with minor horizontal crease, very fine. It is believed less than fifteen sets escaped the overprinting, a modern rarity of Costa Rica.

Selling price: $1,350.


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Stamp Magnifying Microscope: Celestron 5 MP Handheld Digital Microscope 

Stamp Magnifying Lamp Desk Clamp-Mount 90 SMD LED Adjustable Spring-Arm

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Manual perforation measurement gauge which has a really low price.

Electronic perforation measurement gauge, that has a higher price, but is easier measure perforations.