(EST PUB DATE) INVISIBLE PHOTOGRAPHY AND WRITING, SYMPATHETIC INK, ETC.

• Document Type: CREST
• Collection: Secret Writing
• Document Number (FOIA) /ESDN (CREST): CIA-RDP11X00001R000100010003-7
• Release Decision: RIFPUB
• Original Classification: U
• Document Page Count: 2
• Document Creation Date: November 3, 2016
• Document Release Date: August 1, 2011
• Sequence Number: 3
• Content Type: NOTES

Approved For Release 2011/08/01: CIA-RDP11X00001 R000100010003-7
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Approved For Release 2011/08/01: CIA-RDP11X00001 R000100010003-7
 Approved For Release 2011/08/01: CIA-RDP11X00001 R000100010003-7
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Approved For Release 2011/08/01 : CIA-RDP11X00001 R000100010003-7