I recovered the Lego Blacktron Message Intercept Base from 1988. Its not 100% recovered because some parts were lost or broken. Set number: 6987 : r/ lego
LEGO 6987 Message Intercept Base Instructions, Space
6987 Message-Intercept Base | LEGO Space Wiki | Fandom
LEGO Blacktron - Message Intercept Base (6987) | 3D CAD Model Library | GrabCAD
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Lego Space Blacktron Set 6987 Message Intercept Base 100% complete +instr. 1988 | eBay
LEGO Message Intercept Base Set 6987 Instructions | Brick Owl - LEGO Marketplace
LEGO 6987 Message-Intercept Base Set Parts Inventory and Instructions - LEGO Reference Guide