ISRAEL.- The suspect, a retired university lecturer with a Ph. D in history from the United States, sold among other things, silver coins from the Second Temple period and 1,500 year old clay oil lamps. He planned on leaving the country with a handful of checks and cash totaling more than $20,000. During the past two weeks an extensive campaign was undertaken to prevent the illicit trafficking in antiquities excavated and plundered from archaeological sites. In an operation in Jerusalem conducted by the Unit for the Prevention of Antiquities Robbery, an American tour guide was identified while selling antiquities to a group of American tourists he was leading in Israel. Inspectors from the Israel Antiquities Authority were present at one of the sales that took place in a hotel. Upon conclusion of the sale the suspect was detained, his room and belongings were searched and hundreds of ancient archaeological artifacts in