Need to ask about a lot?

GERMANY - 1903-31 MINT & NEVER HINGED COLLECTION incl. 1903-16 Germania types to nhm 2m & 5m blocks of four, 10pf, 30pf & 40pf Tete Bêche pairs, booklet se-tenant pairs & vertical strips of three etc, Air Posts inc 1912 set, 1919 set, 1922 & 23 sets, useful Inflation period ranges, numeral sets, 1927 I.A.A opt'd set & Official ranges to top values etc. (450+ stamps)