Image Item No. Description  envelope01  Envelope, for collecting store receipts Catalog: Gear: Envelope & Letter  env2015  Envelope, Happy Lunar New Year 2015 Catalog: Gear: Envelope & Letter: Holiday & Event: Chinese New Year  envelope02  Envelope, LEGO Junior Designers Club (Canada) Catalog: Gear: Envelope & Letter  letterdacta1  Invent America! 1990 Welcome Letter Catalog: Gear: Envelope & Letter: Educational & Dacta  in79lbc01  Invitation Letter for LEGO Builders Club Rally, Birmingham 1979 Catalog: Gear: Envelope & Letter: LEGO Club  WCLetter1998  Lego World Club Letter to Members November 1998 (German) Catalog: Gear: Envelope & Letter  letterpirates  Retailer Informational Letter Pirates (Pas op de Piraten komen) Catalog: Gear: Envelope & Letter: Pirates  bb0859  Technic I Exploration Packet Letter Catalog: Gear: Envelope & Letter: Educational & Dacta