-------- Original Message -------- Subject: Thos Bros date codes Date: Sun, 20 Jan 2008 14:14:44 -0800 (PST) From: Kevin Walsh <[log in to unmask]> To: Maps-L Hi - Their older (1940-50s) date codes were similar to those of ACSC; generally, a numeric code (hidden down in a corner inside the border) read backward. EG, 954 would be April 1959. Up thru the 1930s, codes seem to be lacking. In the 1960s and 1970s, they'd show a long string of hyphenated numbers, from which you could pick the month and year out rather easily. Cheers, Kevin Walsh <http://us.rd.yahoo.com/evt=51733/*http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ%20>