If anyone is interested in some rarely seen Martin Sound Tower speakers take a look at this ePay link (no affiliation).
http://m.ebay.com/itm/Martin-Speakers-U-S-A-Sound-Towers-Extremely-Rare-Eastman-Sound-/262989140215?
http://m.ebay.com/itm/Martin-Speakers-U-S-A-Sound-Towers-Extremely-Rare-Eastman-Sound-/262989140215?