00310nam a2200121 a 450000500170000008200160001710000190003324500310005226000290008330000220011263000260013463000280016020251202164210.0  a790.13bHOB  aHobson, Burton  aCoin collecting as a hobby  aNew YorkbSterlingc1980  a192 p.b22cm.cHB  aCoin collection-Hobby  aRecreational activities