Snorkeling, Scuba Diving & Underwater Exploration
| www.bsac854.org/stamps/ |  |
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| Category | Themes | ||
| Name | Tan Tsu Soo | ||
| Country | Singapore | ||
| Description | Stamps on human activities underwater A pictorial catalogue of stamps on the theme of snorkeling, scuba diving and underwater exploration. (Military submarines excluded) |
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